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18.
a language used by people when they are too high and cannot pronounce words well. so they make up there own for the time being.
"man how baked are you?"

"im scubbin the bad bumps"

"i was so high i just started speaking Gump"
by Bubba Scumpz August 12, 2009
 
1.
(Baltimore and DC slang)

A Weak, Spineless, Soft person
Person # 1: Hey, he let that dude smack him and ain't even say nothing

Person# 2 He such a Gump
by Caliph September 23, 2009
 
2.
1. A typical Alabama football fan. Usually so delusional that they think Bear Bryant is still alive. They also believe that Nick Satan actually likes the toothless fanbase.
2. Stupid person who likes Paul Fineburn slobbing Saban's knob.
3. Racists fanbase who only supports blacks on their own team.
Those Gumps are harder to tolerate when they are winning than when they are losing.
by GILF Hunter October 17, 2009
 
3.
one who is slow with their mental processes.
He's gumps. It will take him forever to add together that total
by Mogiee November 08, 2010
 
4.
fat part under your chin or flabby skin under your arms
With all that excess skin, Grandma has a nice gump.
by Bdawg11 July 03, 2012
 
5.
To Gump is to play ping pong such as Forrest Gump did. It's an easier way to ask someone if they want to play ping pong with you, without sounding like a fruit.
"Hey man, you want to Gump"
"I'm not really sure, I'm hammered drunk and won't be able to hit the ball."
by PraiseBathsheba December 29, 2013
 
6.
To prematurely ejaculate, like Forrest Gump did in the dorm room with Jenny.
"After all that foreplay, I was so riled up that once we started having sex, I totally gumped inside her. I hope she's not pregnant."
by adl July 15, 2012
 
7.
Chicago police slang for male prostitutes
I think this gump is sweet on you, she's waving at you!
by The Obnox July 19, 2010