Wiktionary
boffing
alt. 1 A sport 2 (context slang English) sexual intercourse n. 1 A sport 2 (context slang English) sexual intercourse vb. (present participle of boff English)
Usage examples of "boffing".
Rudolph and takes Johnny in her arms and at first Rudolph is inclined to resent this and has a notion to give her a good boffing but he is too weak to exert himself in such a manner.
No wilderness adventure was complete without boffing one of the noble-savage Rangers at the trading post.
I wondered how Scottie Shackelford would feel if he found out she was boffing Mick.