Analogous to "fisting", capping is the act or art of inserting a bent knee into a vagina (this may require vast amounts of lubrication). Upon completion, the 'capper' may straighten out their leg to remove the knee from the 'cappie's' orifice.
"I saw this capping video on the net ... the whole damn knee was inserted in her!"
by TrinityHH June 24, 2007
To have a piercing of one's PA. To then remove the piercing, and masturbate in such a way that when ejaculation occurs, the tip of the penis is covered in order for the semen to be expelled via the pierced hole.
Patrick Drummand is frequently involved in capping.
by Your name June 24, 2004