Definitions by Some Who Knows

all over the gaff 

to be completely locked outa yer face and making a tit outa yerself
OR
to be all over the gaff WITH someone is when they're riding the shite outa each other

you and him were all over the gaff WAH!
that choung one was all over the gaff last night

all over the gaff by Some Who Knows March 3, 2007