Gaff is a Irish term for ‘House’ this word is also used in South Scotland and North England. It was originated in Ireland and is widely used in the Northen Ireland and the Republic of Ireland. This term was used in 2007 in London widely, but this term has died off
‘Hey boomting wanna come to my gaff?
‘Erm, no, go have a bath, fact have a shower I’m really not fussy.’
‘Leave him alone fam he don’t want your pussy’
‘Erm, no, go have a bath, fact have a shower I’m really not fussy.’
‘Leave him alone fam he don’t want your pussy’
by British Words March 19, 2019
Get the Gaffmug. someone who invites loads of people to their gaff to shag them and their friends do the same in all rooms of the house
by toenails> August 21, 2019
Get the gaff bangermug. I'm going to puff a gaff
by Cosmol March 1, 2023
Get the Gaffmug. Primarily used by scousers(citizens of Liverpool), to describe a gathering in which friends come together to consume drugs.
by LBM123456 March 18, 2022
Get the Gaffmug. by cbowling April 18, 2009
Get the gaff-onmug. 
