A term for one kissing ones teeth.
(note the "up" must be pronounced as tho you are from sheffield)
eg. In a conversation:
A:"Got any food?"
B:"Nah im out"
A:(Sound of kissing teeth)
B:"Don't Schups me fool"
B:"Don't be schupsing me fool"
eg. In a conversation about something thats happened (past tense)
A:"Why did you hit him?"
B:"Because e schupsed me innit, man knows not to schups me now, get me."