Definitions by Well done that man

grogro 

When you in school and you have a mad sesh wit the lads and the ops (teachers) come over in the room and you burst out laughing saying oi bruv where the grogro at. Subsequently the teachers are bamboozled and leave the room. You can now continue vaping

Oi teddie where did you put the grogro
Teddie: In the ugre gregre (usual place)

grogro by Well done that man June 5, 2018