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asstunnel

A vulgar, informal slang term for the rectum or anal canal.

əˈstʌnsəl133 viewsLast reviewed Jun 29, 2026+ Add a definition
🗺️ Regional & Other
3 definitions
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#1·Apr 28, 2026

A vulgar, informal slang term for the rectum or anal canal. Primarily used in crude humor or shock-value contexts rather than clinical or medical settings. The term is a compound anatomical metaphor that is more graphic than most alternatives. Typically encountered in very informal, adult-only speech and explicit content. Not in widespread general use.

The comedy sketch pushed well past the line with its extended asstunnel bit.
Origin: Compound of "ass" (buttocks/anus) and "tunnel" (a hollow passage), forming a crude anatomical metaphor for the rectum. Editorial expansion authored on Slangora (model-assisted, hedged).
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#2·Apr 28, 2026

A crude vulgar slang term for the rectum. The compound is transparent in construction and belongs to a broad family of anatomical slang that replaces clinical terminology with blunt physical metaphor. Rarely used outside crude humor or deliberately offensive speech. Not in wide circulation compared to more established anatomical slang terms. Found mostly in shock content or deliberately provocative contexts.

Even by the group's lowbrow standards, the asstunnel joke was pushing it.
Origin: Compound of ass and tunnel; anatomical metaphor for the rectal passage. Editorial expansion authored on Slangora (model-assisted, hedged).
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Avoid at work
#3·Apr 26, 2026

(slang, vulgar) Rectum.

For parents

"asstunnel" means: Rectum.. 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

"asstunnel" means: Rectum.. 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.

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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.

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