2 definitions by thorvindr

An idea, tool or tradition that was originally thought to be ubiquitous, then discovered to be unique to one's own social group (usually a family), then finally revealed to be far less unique than one thought, though still rare enough that an average person will likely not know about it.

The literal poop knife (a knife used for separating large turds into smaller pieces, such that they fit down the toilet) is the best example.
I thought it was just my family that celebrated Three Kings' Day. Turned out to be a poop knife.
by thorvindr May 28, 2019
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The blending by the penis, inside the vagina, of semen and feces. Usually occurs when anal intercourse is abandoned in favor of vaginal, generally as the result of a filthy anus.
So I was with this chick last night, and I started the buttsex, but apparently she's never heard of toilet paper. So I gave her a turdy kurd.
by thorvindr February 28, 2009
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