C&A
Cunt and arse. Most often used as part of the lexical phrase «man at C&A» to describe the situation a female might find herself in whilst she is enjoying the company of two gentlemen.

Pegging
To have anal sex with a male by using a dildo.

Cybersex
Using a computer in some way to enhance sexual stimulation.

Tummy Banana
A slang term for a penis.

Relaxin
A hormone produced by the placenta that increases flexibility in the ligaments and joints of the pelvic area to assist in childbirth.