hump a cactus

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aaronsun666

Senior Member
Mandarin
The Big Bang Theory Season 03, Episode 08

Scene: The camp site.

Leonard: I wish Penny didn’t have to work, she loves camping.
Raj: Yeah, that would have been great. You and Penny having sex in the tent while I sit out here and watch Howard hump a cactus.

Is there any story or something behind 'hump a cactus'? If not, then Raj's words would sound very abrupt/strange to me.
 
  • Copyright

    Senior Member
    American English
    To hump is to have sex with. To hump a cactus is not only painful, but a sign of sexual desperation ... besides being funny.

    [Someone has to say it: You have to be pretty (t)horny to hump a cactus.] :rolleyes:
     
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