Chap 2: Ya, I tried to get close to ask if he was alright but she kicked me straight in the cock and told me to fuck off.
Or more loosely defined as any interaction/banter/chilling/pulling between any guy or girl.
Harry: Yeah thinking of schweffing the floor 8 girls actually, fancy schweffing along?
Jem: Yeah I was gonna see if Steve was up for a schweff, but apparently he's schweffing Ellie!
Harry: OK.. Schweff ya later!