Chris Farley
(noun) An exceptionally girthy penis with a small head resembling the physical appearance of the late comic actor Chris Farley. When sheathed in a condom, said penis is colloquially known as a fat guy in a little coat, in reference to a scene from the Farley film "Tommy Boy"
Can also be used as a verb, often in past participle form, meaning to copulate with a girthy, small- headed penis
Jean Claude was proud of his new piercing until he whipped out his Chris Farley and Tina ran for the hills.

I'm never taking that freak Barbara to the Cheesecake Factory again; we'd barely touched our appetizers by the time she'd downed 6 daiquiris and was getting Chris Farleyed by our waiter in the bathroom.