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in like Flynn

(slang, originally, US) Having achieved a goal or gained access as desired.

ɪn ˈlaɪk ˈflɪn201 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 27, 2026

(slang, originally, US) Having achieved a goal or gained access as desired.

[Robert] Gibbs is perfectly affable and even, in his way, courtly. And yet he seems to be not quite listening. Nothing touches him. This is no doubt partly because everybody understands he's in like Flynn.
Origin: Perhaps referring to Errol Flynn, Australian actor known for womanizing, or Edward J. Flynn, successful campaign manager for Franklin D. Roosevelt. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
For parents

"in like Flynn" means: Having achieved a goal or gained access as desired.. 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

"in like Flynn" means: Having achieved a goal or gained access as desired.. Register: informal slang, fine in casual conversation, texting and social media but not in academic essays, business writing or formal speech. Note the regional or dialect label (US) — usage may sound odd outside that variety. 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

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For specific readers

"in like Flynn" means: Having achieved a goal or gained access as desired.. 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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