Top Definition
The dropping of the nut sack on any surface creating a sound similar to a fap
I took wills phone and did squish bug on it.
by Squishbuglover August 17, 2015

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someone/something who apparently talks shit without you knowing about it.
yo check it you over here talking shit like a squish bug.
by GuessWhatThisDick August 21, 2011

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The name given to a person(usually by his mother) with a small Penis. If your friends call you squishbug, they are not really your friends, and you should go jerk your little bean in a corner. You may think this name is cute, but if you do its because of your ADHD.
Girl 1- Im gonna hang out with squishbug tonight!
Girl 2- Oh, thats the guy with the microscopic junk right?
by natasha45649o April 29, 2011

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