Granty Boy 

A strange fellow who likes to jack off in abandoned houses

Matt: I'll give you a quid if you jack of in that building.
Richard : And I'll give you this scratch card worth a quid
Granty Boy: Fine!

Granty Boy by Jimmyeatmars August 16, 2011

grunty boy

A character created by YouTuber MandJTV that appears whenever he gets a sponsor

“Haha, it is I, Grunty Boy”

grunty boy by Shogun the Samurott March 8, 2021

Grunty boy

The myth and legend himself. Some say he was the God of brand deals. Others say he was more powerful then Arcoos himself.

Ha ha, it is me Grunty boy

Grunty boy by Batteryboi2 April 6, 2022

Big Boy Grant 

A person who is a top sket (look it up)

that Big Boy Grant is a top sket

Big Boy Grant by ThereHI December 7, 2020