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A mixture of unsweetened cranberry juice and water. Named less for its dominant flavor characteristic than for its tendency to be consumed in quantity by a woman who is on a days-long sex binge and wants to discourage urinary tract infections (UTIs).

It is debatable whether cranberry juice can help prevent "honeymoon cystitis" or other UTIs, but drinking plenty of water and urinating after sex are commonly recommended. The tartness, as with adding lemon, makes the water somewhat more palatable.
"That...was awesome. When I can move my legs again I've gotta go pee and drink my tartwater."
by TartRex May 16, 2012
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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