To be on your own - without any friends
"Are you on your jaff?""Hurry up mate, I'm all on my jaff"
An unpleasant object shoved up places they do not belong.
Up your Jaffe, Jordan. Jordan, I hope you shove that soccer ball up your Jaffe.
12👍 3👎
Up your arse!
Stick it up your jaffe!
6👍 6👎