British slang usually directed towards someone or yourself as being a complete mess, disorganized, and/or has no sense of direction.
"These days I've been all over the gaff"
"Where the bloody hell are you going?! You're all over the gaff!"
"Where the bloody hell are you going?! You're all over the gaff!"
by Pseudonym Wizard November 5, 2009
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
OR
to be all over the gaff WITH someone is when they're riding the shite outa each other
by Some Who Knows March 2, 2007