Go for a roll in the hay.
Sheathing one’s sword
Boning.
This is going swimmingly. I knew I could count on you people.
Hopping in the sack
Our duty to the Party. (From 1984).
Regards,
Sho-damned
Lie back and think of England.
getting some afternoon delight
grinding
Tearing off a piece
A stout rogering.
- Harry Flashman
dancing in the sheets
getting your rocks off
trying to get pregnant
relieving tension
coitus
Scrumping.
Knockin’ boots.
Getting a pickle tickle.
Pumping for oil.
“It”, as in “Want to do it?”