A person that has no background in psychology at all out of nowhere claiming they know your entire life story from Saturday morning cartoon stereotypes.
Sudden Psychologist: Me big smart
Victim: Shut up
Sudden Psychologist: Just from that one quote I can tell your dad has beaten you your entire life causing you to spite others for no reason at all, I can tell, I’m smart.
Victim: Shut up
by Awoooooga May 6, 2020
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1. When join a trend they never would have done before

2. Jumping the bandwagon

3. To unexpectedly like something
My friend Dupree, is an all of a sudden guy, he use to say how much he hated fortnite and now, he is playing fortnite 24/7. Tell me is not an all of a sudden guy!
by Dragon eyes November 7, 2018
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Does NOT refer to the epic snapping pussy. Sudden snatching is when you smack a phone from someone taking your picture. It probably helps if you smack it, stomp it, thus make it a mic drop.
Prosecutors released new videos of star fighter Conor McGregor smashing a fan's phone outside a Miami Beach hotel. McGregor is charged with robbery by sudden snatching and criminal mischief. (Apr. 10, 2019)
by BoomerPilot April 16, 2019
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Sudden depression occurs when you're literally just minding your own business and out of no where - a wave of depression slaps you in the face. No body knows why this happens but I assume it's just a mental thing.
"Idk how I got depressed man, sudden depression I guess"
by kyple November 8, 2022
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When all your friends turn into douchebags when they were once nice. It's real.
"Don't be a sod."

Billy: Hey dude, wanna go to the movies today?
Todd: No dude I got in with the wrong crowd, now I have sudden onset douchebag syndrome.
by Toddthedouche January 12, 2011
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When you're doing great in a game but for no good reason you start doing dog shit.
Person 1: Bro you were doing so good last game what happened?

Person 2: I don't know I guess I have sudden suck syndrome.
by KGB-Putin September 7, 2019
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