penis that is coated in smegma
and/or mold and obstructs the male pee hole making it very hard to urinate in a single direction.
"Dude, you better get that McKelvey snipped off before that penis cheese eats your whole dick off"
a hole that monkeys might fly out of.
traditionally an arsehole.
and monkeys might fly out of my mckelvey
when you wake up next to your teacher
Holy crap, who's car is in front of our house with a faculty parking tag? Ross must have had another McKelvey last night.
to get the urge to enter a word into the urban dictionary, particularly when associated with a useless southerner of irish descent.
i feel a mcKelvey coming on
a bad haircut or hairstyle
have you seen the mckelvey on that
someone who doesn't know how to add words to the urban dictionary.
shut up McKelvey you gipsy