When a person has a sweaty arse and slides one finger along their crack collecting as much moisture as possible, then procedes to creep up behind their victim and run their finger under the victims nose depositing the sweat. Hence a bum skiff.
A: 'Fuck me dude i just gave Garry the best bum skiff ever! It must have smelt like fuckin shit!'
B: 'The poor cunt i bet he was well pissed off.'
B: 'The poor cunt i bet he was well pissed off.'
by rory_mcgrath November 11, 2006
When one leaves their boner out exposed to the elements for too long causing corrosion of the penis.
Josh: Hey, Ryan your boner has been out for a while now.
Ryan: So?
Josh: well you better unload soon or you might get a rusty skiff.
Ryan: So?
Josh: well you better unload soon or you might get a rusty skiff.
by Poopstain2000 October 24, 2012
by GrandpaWasRacist March 2, 2023
Girl 1: Joh, did you just see that old lady skiff me?
Girl 2: That’s what happens when you wear shorts that show half your arse. You get skiffed.
Girl 2: That’s what happens when you wear shorts that show half your arse. You get skiffed.
by wacani August 26, 2018