Definition of fanny in US English:



  • 1North American informal A person's buttocks.

    • ‘I gave him another shot of cough syrup and a pat on the fanny and sent him back out onto the Play-Doh-covered field.’
    • ‘This is Elvis Presley, wiggling his fanny for posterity.’
    • ‘‘You'll find out soon enough,’ Jorge grumbled as he rubbed his fanny.’
    • ‘Marketing has to be ‘job one ‘he says, and the bottom line is ‘putting fannies in seats‘.’
    • ‘I was able to catch him under the chin, while he was leaning over, and I knocked him flat on his fanny… He calmed down then, and when he got back on his feet he spent the next half hour ministering to the injured.’
    buttocks, behind, backside, rear, rear end, seat, haunches, cheeks
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  • 2British vulgar slang A woman's genitals.


Late 19th century: of unknown origin.