Callum 

An overweight fat young man with an oversised head who topples at the slightest movement, he normaly smells of sweat where he sleeps round his boyfriends house nearly every day and complains he cant lose weight because he eats so many pasties, he enjoys the occasional cheese cake. Despite all this we still love him.

You have a hole in your trousers, YOUR SUCH A CALLUM.

Callums fist is going in your ass in a minuet.

Wheeeey pastie monster.

Callum by BlargenSploosh January 7, 2010

Callum 

a sweet and funny guy who can sometimes be a dick. you are able to trust anything with him no matter what it is

person 1: Callum is so nice
person 2: yay but he"s kinda a dick

person 1: i wish i was Callum

Callum by super dooper definition master June 6, 2018

Callum 

To Callum is to fly to Scotland, in the hopes of "getting some", but returning unsuccessful.

Person 1: How was your weekend?

Person 2: Terrible. A complete Callum.

Callum by Jordanielll October 11, 2019

callum 

a guy that a girl called jasmine likes

jasmine ur a simp for Callum

callum by mara. October 29, 2020

Callum 

Callum is someone who will constantly ditch you for other people and then hang out with you again until his other friends come along. Commonly blonde.

otherwise known as ditcher

You - Hey callum hang with me

Callum - Ok

Callum's other friend - Hey Callum come over here, don't hang with him!

Callum - Ok

Callum by joe... or something November 26, 2010

callum 

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

callum by mr. polycronopolus October 13, 2007

Callum 

Callum or 'Bort' is made famous for its dinosaur like ferocity and panther like stamina. Its well known for its 3rd person dialogue.

♫ The Bort-Rex was strictly herbivore, living on a diet of one herb alone. #420 ♫

- Callum

Callum by Borts biggest fan December 6, 2011