when you are talking to someone and they say some sort of phrase that will put a image in your head that you didn't want. things you would do when this happens 1. sceam 2. scream and run away 3. hit your head 4. cover your ears
Joe: Dude i was looking through our video collection when i saw a homemade video marked Hawaii.

Dave: We haven't been to Hawaii? What did it have on it

Joe: A video with mom dad and aunt emily having a threesome!

Dave: Ewwww! Mental Molestation
by nnjjred December 13, 2009
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To put an NSFW image in someone's head when they don't want to think of that image.
Jason: Yo Joe! I heard Jenna fucked her sister!
Joe: Ew! Gross!
Jason: They had a threesome later with Lily!
Joe: Oh my god, please stop! You are mentally molesting me!
by TheRealMilkAndCerealYT September 12, 2020
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