The act of a female spreading her vagina over an inanimate object to give it that fishy smell so that she can hand it out to her friends.
Sally gave me her mp3 player and it has too much cuntaminate on it.
by Me4UrAss April 19, 2009
1 more definition
For an insecure and controlling woman to attend a men's day out uninvited.
Brah your bitch is going to cuntaminate guys night; tell your her to go home so we can get drunk and go to the strip club, maybe play some mailbox baseball!
by Mato Hoksila December 25, 2014