Top Definition
a play on the word 'octogenarian' meaning someone who has reached the ripe old age of 80. by that measure, a cocktogenarian is someone who has slept with 80 men. simple as.

it may also apply in the unlikely occurance of a man having 80 penises.
my favourite porn star is in so many movies, she must be a cocktogenarian by now!
by seeoodonim June 12, 2011

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