in the group of friends ... there will always be one that thinks a "sex on a stick" has to be ..... long haired greasy and fat ..... ( wouldnt be suprised if you could cook them in a deep fat frier.... without havin to add extra grease) longer nails than normal or any girl known to man. hangs penguins of a unwashed hat. smells jus as bad as his room which he could never leave cos hes sweats in sun light .... trust me ... this is dangerous.

and when they say they hav been laid and are extremly large in some areas ...... dont believe them cos they are jus pullina callum!

A callum gets far too excited at the slightest of girl attention and proves while his waist is large,his penis isn't.
will never EVER get laid cause he would cause the girl to into a coma from the sheer trauma and pyschological damage.
he causes every girl who tries to have a conversation with him physical pain because he is so retarded and annoying.
" is Rosie?"
"in the Hospital"
"OH NO! why??"
" know her boyfriend?"
"he's a callum"
by WykeDykesbaby February 10, 2010
english twat/ person who spends time excersising to impresss male/female population
i say theres a guy doing sum callums
by boobsrus May 14, 2007
A boy that is slighty less then straight, Can also be known as Big Gay Cal.
Callum you like men

Callum = Gay
by Fat Boi March 31, 2008
Callum Is Another Word For Ballchinian!

Or A Callum Can Be Balls On Someones Chin
Shut Up You Ballchinian!

Go Suck Your Callums!
by Joseph O'Callaghan April 01, 2008
To describe a shitty, naked, alcohol filled, fat, sweaty experience.
"Fuck, I feel like a Callum"
"Don't touch it there, you get a right calluming"
"I've got a callum in my pants"
"Dr says he'll have to remove my callum"
by M@ & SPIKE March 17, 2006
noun: any retarded kid in your school that says excelesior and has a sexy rat-tail.
that fagget over there is the worlds biggest callum
by mr. polycronopolus September 28, 2007
Somebody who is overconfident about getting into a music conservatory or some arts institution. Thinks very highly of himself, and if he plays an instrument, it is usually either a saxophone or a flute. Most importantly, this person lacks talent, and is headed for failure.
He thinks he can get into Juilliard? But he's not even remotely good! What a Callum.
by Mike Rotchburns October 24, 2006

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