gallagher

1. extremely nice guy; sensitive

2. horndog; eager for sexual intercourse

3. amazing in bed; hot

4. extremely hilarious; will make anyone laugh

That really nice horndog is a gallagher.

by gallagher14 February 20, 2009

gallagher

After ejaculating on a girls buttocks, the man takes his penis, and much like a hammer to a watermelon, uses the head of his penis to splatter his own pool of semen all over her.

Getting inspiration from the prop comic, Ted decided to give his girlfriend a gallagher, unknowingly hitting her cat who was in the splash zone.

by ComediaAGoGo August 3, 2010

Gallagher

Noun: A very large penis.

Man have you seen Tim's Gallagher.

by The7theleven December 27, 2011

gallagher

(n.) a person or thing that acts in a manner such as imposing odd characteristics. Not normal.

"gallagher" a person saying odd comments like gub gub incessantly

by Dr. Jason Smith Ph.D UAP March 9, 2011

Gallagher

A ginger guy who's into back alley gay orgies

I hate going down that alley, so many Gallagher's there

by Lawrence Smith May 23, 2008

gallagher

The act of having sex with a female, then after you cum you lay on top of her, shit on her stomach. Then you take your hand and slap her stomach has hard as you can. it is in regards to the imfamous comedian who used to smash fruit with hammers which then splattered all over the audience.

I shit all over that chick and then did a Gallagher all over her room.

by tj spaulding May 30, 2009

Gallagher

A person who rats out another individual or group of people

That Gallagher told the teacher we cheated on that test

by Haiku Ninja December 14, 2008