grinman 

a funny man in a shirt with a dinosaur

2. the real name of the "cockmongler!"

grinman or grin man grins a lot

grinman by Zorque October 19, 2006

GrinMan 

A notorious rapist and alter-ego of a close friend. He usually goes after blonds. He pretends to be a friend, then he suddenly strikes with a "how about we go up stairs, u want it so dont say u dont". GrinMan never takes no for an answer!. He has claimed numerous victims in the Metro-Detroit area

Deez: Who the hell gave adam a drink?!

D: Adams drunk? Fuck, where is he?

Deez: I saw him carrying that whitegirl in the blue upstairs

D:...shit, the GrinMan always grins 'cuz the GrinMan always wins

GrinMan by Deakhon June 11, 2009

gridmania gamitis 

Addiction to an internet grid game requiring no skillz. Involving mindless hours of clicking it manages somehow to suck you in. It rocks.

Paul and Matt have mad skillz but still have yet to beat me in Grid Game. They mos def have gridmania gamitis.

gridmania gamitis by Me Shell November 10, 2008

ginman 

big ginger dwarf, known to be found in the west country. short temper, low alcohol tolerance

person 1: "Hey Ginman"
person 2: *no identifiable reply, just inarticulate grunting and growling*

ginman by padawan scat December 26, 2007

Grimance

Someone who happens to be particularly unattractive, normally (but not exclusively) due to physical features.

He's a right grimance - i'd keep away if I were you!

Grimance by Teddy June 16, 2004

Grinfant 

An infant that looks more like a small elderly person than an infant.
GrandMa/Pa + Infant

Guy 1: Did you see that baby?
Guy 2: Yeah, the Grinfant?
Guy 1: Looked like my Great GrandPa.

Grinfant by Lumn April 20, 2008

grimmance 

To be used if something horrible, or grim has happened to another person

For example
andy "I fell in dog poo this morning"
john "Argh, grimmance man"

grimmance by team uca January 14, 2008