Necking with your privates.
Plumbing her depths
Holes and poles
(coined, I believe, by sf author Joe Haldeman in his book Buying Time)
Having a root
Hammertime
“a poke”
From Lonesome Dove, though for purposes of this thread variants of “poking” have been used.
ravishing her
Rocking and rolling
Pillaging
Rapine
spelunking in the tunnel of love
Nailing
Me so horny. Me love you long time. Me sucky sucky.
Going deep.
Shtupping.
Tapping that ass.
Getting to know you.
L’amour
Pearl necklace