Pink goo is when a guy cums inside a girl who just got her period and she cums and it got little bit of period blood in it so a guys white sperm mixs with a girls period and thats how you get pink goo alot guys like to do this
Guy 1:hey dude I saw you leave with that chick last night did you get lucky

guy 2: yeah Bro I got lucky we where doing it she got her period mid way so I gave her the pink goo
guy1: nice dude high five
guy1 and guy 2 *high fives one another *
by Emo_seikatsu February 12, 2015
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