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noun

fellatio

fuh-LAY-shee-oh
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Fellatio (noun) means Oral sex performed on a penis.

noun
1
Oral sex performed on a penis.
"The book discussed fellatio in clinical, non-explicit terms."

How to use fellatio

Learner’s notes

In plain EnglishA clinical, Latin-derived term rather than a slang one.

When to use it

Formal/clinical register; used in medical, legal, or academic contexts rather than casual speech.

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Word forms

Plural
fellatios
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Etymology

A learned 19th-century borrowing from Latin fellatio, from fello ("to suck"). It first showed up in medical writing, and a 1919 California Supreme Court ruling actually struck down an anti-fellatio law because the state constitution required statutes to be written in English — fellatio was still considered Latin at the time.

Origin: Latin · First attested 1919

Class of 1919 fellatio joined the language around 1919.
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Related words

Rhymes for fellatio

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Frequently asked questions

What is the meaning of fellatio?
"fellatio" (noun) means oral sex performed on a penis.
What is another word for fellatio?
Other words for "fellatio" include fellation, hummer, cocksucking, head, blowjob, french.
How do you use fellatio in a sentence?
Example: "The book discussed fellatio in clinical, non-explicit terms."

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