Bang - Have sex with.
Batty - Either used as bottom, or as an insult pertaining to homosexuality - "batty boy".
Buff - Good looking.
Bumper - Bum.
Bus' - To ejaculate.
Chirps - To chat up.
Gash - Girl, also refers to female genitalia.
Hit that / break that - To do something, usually sex: "Would you hit that (girl)?", "Bruv I'd break that".
Hot - Various meanings, can be general disapproval or approval for a girl - "That chick is hot".
Juice - Have sex with.
Link - A date or partner.
Move up / move to - To chat up. Also to rob someone.
Piece - Male genitalia. Also gun.
Press - Have sex with.
Rag out - To have sex with.
Speechin' - Chatting up, also talking your way out of a situation.
Tick - Good looking.
Tings - Things, often used in a sexual context: "Did you get your tings from that chick?"
Wifey - Long-term girlfriend.