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fap it

Crude internet-born slang meaning to masturbate, primarily used by guys in online spaces.

ˈfæp ˈɪt197 viewsLast reviewed Jun 29, 2026+ Add a definition
🗺️ Regional & Other
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#1·Apr 28, 2026

Crude internet-born slang meaning to masturbate, primarily used by guys in online spaces. 'Fap' is an onomatopoeic word that emerged from anime and internet communities in the early 2000s before spreading into mainstream internet slang. 'Fap it' is the verb form — telling someone to go do it, or describing the act. It's casual and crass, carrying no particular shame in the communities where it's used, though it remains distinctly informal and NSFW.

His roommate burst in at the worst possible moment while he was trying to fap it in peace.
Origin: The word 'fap' is onomatopoeic, originating in a 1999 English-translated Japanese manga where the sound effect was used to represent masturbation. The term exploded in popularity through early internet forums and imageboards in the mid-2000s. Editorial expansion authored on Slangora.
For parents

"fap it" means: Crude internet-born slang meaning to masturbate, primarily used by guys in online spaces. 'Fap' is an onomatopoeic word that emerged from an.... This is informal slang, common in casual speech, texting and social media, but not appropriate for school work, applications or professional settings. There is no real cause for concern in itself; it is everyday peer vocabulary. If your child uses it, a light comment about audience and register is usually enough — no need to escalate. Context, more than the word, tells you whether to follow up.

For ESL learners

"fap it" means: Crude internet-born slang meaning to masturbate, primarily used by guys in online spaces. 'Fap' is an onomatopoeic word that emerged from an.... Register: informal slang, fine in casual conversation, texting and social media but not in academic essays, business writing or formal speech. A common non-native mistake is to use the word in the wrong register, or to assume one fixed meaning when it is actually polysemous; always check the surrounding register and the audience before producing it yourself. In formal writing, prefer a neutral synonym or a short descriptive phrase, and use this word only when you have heard or read it being used naturally in a comparable context.

Cluster: sex_act
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Avoid at work
#2·Apr 27, 2026

(vulgar, slang) To masturbate.

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For specific readers

"fap it" means: Crude internet-born slang meaning to masturbate, primarily used by guys in online spaces. 'Fap' is an onomatopoeic word that emerged from an.... This is informal slang, common in casual speech, texting and social media, but not appropriate for school work, applications or professional settings. There is no real cause for concern in itself; it is everyday peer vocabulary. If your child uses it, a light comment about audience and register is usually enough — no need to escalate. Context, more than the word, tells you whether to follow up.

Why is this section here?

Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.

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🗺️About Regional & Other slang

Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.

See all Regional & Other slang on Slangora.

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