O'Callaghan 

adj. The act of still having your virginity in college while being surrounded by drunken pussy 24/7. Drinking excessively almost everyday for no apparent reason while also going on explicitly long rants about nothing that have no relevance to the pertaining situation. Not showering for days at a time is also a trait of O'Callaghan. In summary, the act of completely embarrassing the Irish race one drunken night at a time.

Guy 1: "Hey man is he a pedophile?"
Guy 2: "No, he is just O'Callaghan!!"

O'Callaghan by Stone, Keith September 15, 2010

O’Callaghan

O’Callaghan’s are often seen as shifty people but once you know them they tend to be good loyal people. The biggest Irish gypsies you can meet. Often seen with a cross around their neck and a lot of cologne, hence the reputation they smell good.

“That O’Callaghan stole my juul”
“Yeah but he gave it to the crippled kid”

O’Callaghan by George .Antinov July 21, 2019

o’callaghan

pretty freaking cute, awkward but the good kind

did you see o’callaghan? what a babe amirite

o’callaghan by lgbtaehyung May 15, 2018

john o'callaghan 

(the sex god of all sex gods), John O'Callaghan is an Arizona native and is the lead singer of indie-rock band, The Maine.
A.K.A John Ohhh

Laura: I saw The Maine last night and they were amazing.

Grace: Wait did you see John O'Callaghan?

Laura: Yeah I got a picture too

*Laura pulls out phone and shows picture*

*Both girls fall over*

john o'callaghan by lookingformisery February 12, 2014

Nolan O’Callaghan 

Ring leader of 3 idiots

Look at those 3 dumbasses
Yeah which one do you think is the Nolan O’Callaghan?

Nolan O’Callaghan by notjacobcrigger May 19, 2021

Liam O'Callaghan 

a really nice person, who has a great personality. Very handsome and charming, can sometimes be misjudged by his lack of knowledge around the complications of thunder and bringing the bins in, but overall if you ever meet a Liam O'Callaghan, you are the luckiest person in the world

Liam O'Callaghan is a handsome young man

Liam O'Callaghan by Jim off Friday night dinner September 25, 2020

Micheal o Callaghan 

Touches sheep and often throws blu-tak at Oskar and claims he dosnt have any blu-tak in his farmer voice he also gets touched by his dad in the farmhouse

Person1 miss Micheal is throwing Blu-tak at me
Micheal o Callaghan : WHAT I HAVE NO BLU-TAK

Micheal o Callaghan by Cddhsnsn October 9, 2018