One pump chump means: One drink is enough to make you throw up. Lightweight. (in Community Dictionary, added by Elian Wheeler)

What else does One pump chump mean?

  • Literally, the word. (in Community Dictionary, added by Kaley Montgomery)
  • If a man puts it in only before he busts. (in Community Dictionary, added by Chana Morris)
  • An acquaintance who is in his first relationship and has only thirty seconds of fucked with her. (in Community Dictionary, added by Crumple)
  • One man who exacerbates almost immediately after initiating sexual intercoure. (in Community Dictionary, added by Nicholas Reese)