have a knee-trembler

have a knee-trembler

vulgar slang To engage in casual sexual intercourse while standing. Yeah, OK, we had a knee-trembler in the bathroom at the party. Nothing serious.
See also: have
Farlex Dictionary of Idioms.
See also:
  • trembler
  • knee-trembler
  • make the beast with two backs
  • get (one's) ashes hauled
  • have it off/away with somebody
  • Catholic roulette
  • Vatican roulette
  • roulette
  • pop the cherry
  • gangbanging