Top Definition
Cullivan, usually meaning getting so drunk on his trusty miller he cannot control himself and does stupidly hilarious things.
Hes such a Cullivan, he fell right in that ditch!
Look him and Whelan are wasted on their Cullivan/Whelan special.

Man i wish i was as cool as Cullivan!
by Waffle Iron 24 January 05, 2012

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