When you should've shaken twice, but only shook once, and a mark is left on your pants.
That dude just left the bathroom with a generous tip stain!
by cpie September 09, 2010
My buddy wears the same sweat pants all the time around hot chicks... He occasionally gets boners 4 times a day. After multiple months of his premature drippage his sweats began to form a "tip stain.# A case of the TS... #TS
Dood nice tip stain.
by DaddieDoWerk November 20, 2015