Top definition
The feline analogue to the toilet muscle -- that is, a cat's ass.
{Debbie}: Craig, Nikki's litterbox muscle is dirty again.
{Craig}: Ok mom, I'll get Nikki cleaned up straight away.
by Telephony June 14, 2014
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Jun 21 Word of the Day
A person with an outwardly dominant, masculine, or aggressive personality, but who also enthusiastically takes on the submissive or "bottom" role in the bedroom.
"I'm tough, Mike! I never give an inch! I'm partial to taking a few though..."
"Ah, you're a real pipehitter."
by Skeletalchemy June 15, 2021
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