sheehan 

One who ditches his friends, and inevitably loses them to spend time with his girlfriend/boyfriend.

1. "Is Ashley coming out tonight?"
2. "No the twats being a sheehan again."

sheehan by William Branche May 26, 2008

Sheehan 

A sheehan is someone who ditches their friends for their girlfriends constantly. This is referred to as sheehaning. Other types of sheehaning include:
Making plans with you friends and cancelling them for your girlfriend.
Ignoring your friends and only speaking to your girlfriend.

The worst sheehan is a sheehan who wont admit he's a sheehan

1."Is MC Bater coming out tonight?"
2."No, Hes Sheehaning"
1."What a Sheehan"

Sheehan by KingOfSheehans June 30, 2009

Sheehan 

A weird shocking pedophile. Originally located in the Middle-East, in 1904. There is no evidence of this horrific creature to be found.

Look out for Sheehan if you go walking at night in the middle east.

Sheehan by henry09 March 13, 2009

Sheehan 

To give the shocker to a girl to get her away from you.

Jay couldn't get the girl off of him so he had to sheehan her to set himself free.

Sheehan by sunny ye February 26, 2009

sheehan 

a filthy cunt who rambles on about something they know nothing about.

My bitch tried talkin to me about sports, so I slapped her ass and told her to stop being a sheehan.

sheehan by D4theD October 25, 2005

Sheehan 

Sometimes called Shit'n.
A boy who is best friends with Rachael.
Sometimes a Sheehan gets annoying
but everyone still loves him.
A Sheehan cracks me up.
He calls me alot. :/

Sheehan, stop being so being so god damn conceited!

Sheehan by Rachila October 18, 2008

Sheehan 

The most homo kid in a school, which is also homo, called don estradge, he is full homo and plays Fortnite with this bot named Nafi.

Boy 1: Bro that kid is a Sheehan
Nafi: bruh wtf I’m not a bot
Boy 1: yes you are

Sheehan by HAHAHAHAHAHAHA77 March 8, 2019