When someone has a crush on you and you think you like them because you're so flattered.
She's really ugly, I can't see why he'd want to date her. Problably just crush syndrome.
by MLG_pro_69_420_Blaze_it February 13, 2016
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when you find out that someone has a crush on you, and this knowledge leads to you liking them
Bob: Hey Rob, Cynthia likes you!

Rob: Oh well I didnt really like her before... but now...

Bob: Ooh you came down with a case of Reverse Crush Syndrome
by gurududeman May 10, 2010
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Second Hand Crush Syndrome (SCS) Is when you see your friends crush and start to feel mild side effects of having a crush (the crushies) because you know your friend likes them and definitely not because you have started to have feelings for this person.
I just saw my bffs crush and my palms got all sweaty, and I started giggling . I think I have Second Hand Crush Syndrome....
by ilovevampirediaries February 21, 2017
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