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3.
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 03, 2010
63 33
 
1.
Guy who bangs your girlfriend.
Dude, I saw your girlfriend with a Gallagher last night
by Spartan17 October 20, 2005
270 114
 
2.
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
132 60
 
4.
Very large eyebrows, like Peter Gallagher.
Man! Look at the Gallaghers on that dude!
by tignor December 30, 2011
8 1
 
5.
Noun: A very large penis.
Man have you seen Tim's Gallagher.
by The7theleven December 22, 2011
24 19
 
6.
Gallagher; verb ; When your girlfriend is giving you head, suddenly grab the back of her skull and jam your dick down her throat.. This is usually used when she has been being a bitch or just needs to be put in her place.
My girlfriend was complaining how our relationship is all about me, so while she was blowing me, i gallaghered the bitch.
by makesgoodwordsman August 01, 2010
35 36
 
7.
(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 February 22, 2011
13 24