gill baby 

when a baby is born that still has its gills, because they did not fall off in the birthing prosess

gill baby=good swimmers, or people that can still breath under water.

gill baby by nick davis aka killa January 12, 2008

Gillette Jump 

The New England Patriots equivalent to the Lambeau Leap
Named after the stadium that the Pats play at

After Welker scored his 2nd touch down, he went over to the crowd and did a Gillette Jump.

Gillette Jump by BOSOX2007 January 22, 2012

Gilligagher 

To do to excess; overact; to do too much or go to an extreme to be funny

"Kevin shut the fuck up, you're being a gilligagher ..not funny man." -Kenny

Gilligagher by whooocareees February 19, 2015

Huge Gilligans 

Big ass titties.

Yo son, that bitch had some huge gilligans!

Huge Gilligans by The Verdicts May 21, 2009

Dizzy Gillespia

A medical condition that causes high fevers, eye pain, and most notably, swelling of the cheeks, and is obtained through oral contact with a certain alloy.

"Yo did you hear Ryne's got Dizzy Gillespia? It must've been from that fancy new mouthpiece."

"Funny, I thought those big ass cheeks were just his ego trying to find a way out."

Dizzy Gillespia by NipplePinchey December 26, 2012

Mother Gillian 

A caring woman who will adopt children as her own and help them make their dinner. She will make sure that they get on stage on time-most of the time.

Person1: How are those poor theatre children not starving?
Person2: They have Mother Gillian of course!

Mother Gillian by Musicaltheatre4444 January 2, 2014

Colin Gill 

Colin Gill is a man who can be blamed for everything . From the Vikings invading Britain,the fall of the Roman Empire , the genocide of the Jews, the Irish potato famine , to a crisis at his place of work .. Colin Gill , is recognised the world over , as a caaaaant !!!!

Colin Gill is a caaaaant

Colin Gill by Lucky-69 July 6, 2014