McKelvey 

An uncircumsized 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"

McKelvey by Justin Capone September 29, 2005

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.

McKelvey by Newman Rossie November 6, 2008

mckelvey 

a hole that monkeys might fly out of.
traditionally an arsehole.

and monkeys might fly out of my mckelvey

mckelvey by Dudders November 25, 2004

mckelvey 

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

mckelvey by Dudders December 14, 2004

mckelvey 

someone who doesn't know how to add words to the urban dictionary.

a fuckwit

shut up McKelvey you gipsy

mckelvey by Dudders November 30, 2004

mckelvey 

a bad haircut or hairstyle

have you seen the mckelvey on that

mckelvey by Dudders November 26, 2004

McKelvey 

A person who walks as if there is a wide stick up their butt. Often makes poor decisions which will ultimately prove that the person is dumber than they look.

Wow, look at McKelvey walk. Looks like he has a bad case of swamp ass

McKelvey by DarnelTeaBags May 3, 2014