Top Definition
Sudden Unexpected Sting of Regret
When your mind screws you over and assaults you with embarrassing memories, missed opportunities and things you regret saying or doing.
Mark: Aw man, susor.
Thomas: What?
Mark: I just suddenly remembered that one time I walked in on my brother making out.

Jennifer: Ugh, susor. I can't read this book any more after reading that stupid fanfiction. These characters are now ruined forever.
by Dinos-like-flowers November 08, 2013

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