In north wales we use the term to describe some ones emotional detatchment from the world, for a short period of time, when they have just been insulted or similar. And they do not have a quick come back.
John: "hey ted i just saw your mother kicking a can down the street.. Are you mooving house?"
Ted:".."
Jim:"Look teds gone all gammy.."
Ted:".."
Jim:"Look teds gone all gammy.."
by ShambleS12342e October 26, 2008

i took a bite into a boiled egg thinking it was nice, but the yolk was all rubbery and gammy., what a gammy egg.
by jamesbond2007 September 20, 2017

by Slovene machine August 21, 2016

Whenever you have a sore knee from rugby. There are 3 stages of gammy knee:
1. Faking it
2. Sore knee
3. Operation
1. Faking it
2. Sore knee
3. Operation
by Rugby injuries June 4, 2014

A promiscuous old woman that loves to take in a hot load. Known for intense oral skills and ability to perform the coveted gum job.
It’s bingo night at the over 60s tonight. There’s a few guzzling gammies there I want to meet.
Dude your grandma is a guzzling gammy. I can still feel her silky smooth gums from the nut I fed her last night.
Dude your grandma is a guzzling gammy. I can still feel her silky smooth gums from the nut I fed her last night.
by Eaton Holgoode October 22, 2017

Extremely saggy, thin tits on a younger female. The kind expected on one’s gammy or other geriatric female. Resemble baseballs hanging down in tube socks.
Sabby is smokin hot but she got the gammy tits Braaaahhh. She took that bra off and bam down to her waist they fell.
by Eaton Holgoode November 25, 2017

Her Grill was totally Gammy Wackled!!
That was one Gammy Wackled ball game.
You wanna play with my Gammy Wackle?
You wanna see my Gammy Wackle?
Show me your Gammy Wackle!!!
That was one Gammy Wackled ball game.
You wanna play with my Gammy Wackle?
You wanna see my Gammy Wackle?
Show me your Gammy Wackle!!!
by The Gammy Wackler November 9, 2012
