craping in ones hand and smearing it on your/a mans testicals as you/he masturbates.
BOB: hey whats up did you hook up with that girl last night?
ANDY: yeah she wanted to scuff muffin me so i sent her packin
Scuff is an abbreviation for “making your own” meaning u don’t have others to make your lunch for u
“I’ll scuff lunch tomorrow”
The unfortunate second wipe scenario, especially prominent in the office workplace, resulting in a smudge on your shirt cuff. Particularly likely after a hot curry the night before.
Just went down for a shit but arse gravy was the order of the day. Got a rather embarrassing cuff scuff as a memento.