C.H. ing (action verb)
Stands for Crotch humping. When two people make the movement of having sexual intercoarse but with clothes on (sometimes not though) and there is no actual penetration. Rubbing of the genitals together in that manner. otherwords known as 'Outercoarse' 'dry sex' 'frottage' amoung other things. Can result in orgasims on either partner's side and is typically very pleasureable.
1. We CH-ed all night long and had multiple orgasims.
2. Did you C.H. with that guy?
3. Dick and Jane are C.H.-ing right now. Jane likes the feel of Dick's dick.