look up any word, like darude - sandstorm:
 
1.
Acronym for "God I Love Band". Often used in marching band circles.
"Oh, man that flash band was awesome... GILB!"

"At least the band always wins... GILB"
by TheSwedishNinja October 17, 2011
 
2.
Sleeping naked, so that it's easier to seduce men.
"I really liked him, so I decided to Gilbs"
by cooliohooliojoolio December 11, 2011
 
3.
The Act of sticking ones thumb up the rectum, when masturbating
I bet that guy GILB's every now and again
by Anonymous June 25, 2003
 
4.
Noun- The action of screwing up ejaculation, for either party, in any way, shape, or form.

Verb- To screw up ejaculation, for either party, in any way, shape, or form.
He got a little too excited and did a gilb in her hair.

She got the gilb when she lost her grip on her boyfriend's penis. Right in the eye.

She lost vision in her left eye when she got gilbed there.

I tried to catch my seed, but I gilbed it and it hit my Pink Floyd poster.

Amatuers often get the gilb if they can't handle a wang properly.

Brian always gilbs when he ejaculates because he knows his mom will disown him if she finds out.

He gilbed it when masturbating and hit himself in the eye.
by Jaime Lannister January 25, 2005