the sudden spasm of the typing hand on the keyboard, causing a jumble of random letters, usually done when a person is bored chatting with someone online, or to avoid a question or difficult situation
Example of a hand seizure used in a situation:

Olivia- "Hey Mark"
Mark- "hey"
Olivia- "so i think we should talk about the 5 grand you owe me"
Mark- "asethjabn rgn aeut"
Olivia- "what did you say?"

Mark- "ryoiyotykyu,ldtjmduy,"
Olivia- "i'll be sendin you an email"

Olivia Clark has logged off
Mark Mcdreckor has logged off

END CHAT
by Demon Bat October 13, 2010
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This is the same as a really powerful orgasm that is almost unbearable. It is so pleasurable that there are not words to descried it. While it may be weird to say to they guy, it is funny amongst girlfriends to brag about the vagina seizure from last night
"I had the most amazing Vagina Seizure last night. The whole room shook!"
by sexymoose12 February 2, 2010
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the way your penis feels during and after ejaculation.
My cock went crazy when I had my dick seizure and came last night.
by kstan34 May 24, 2010
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1. when one is so swagged out that a slight convulsing of the head occurs. normally in a tilted back fashion accompanied by mild, swaggy mumbling.

2. when ones swagger level reaches an uncontainable point, inducing a full body seizure. usually in the form of doo-doo dumb giggin'.
Joe was cupcakin' so hard that he AND the boopie had a swag seizure!

you should have seen spence last night man. he was giggin so hard he had a swag seizure.
by MC slimjim October 19, 2011
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When your sister (or brother I don't judge) starts having a seizure and you get turned on so you rape her while your uncle sneaks up behind you and fucks you in the ass. This causes you to have a seizure leaving your uncle raping both you and your sister at the same time.
last night John had an alabama seizure with his brother and uncle.
by Mr. Nachumchum December 19, 2018
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The feeling you get when you see an attractive guy, or someone to your liking.

- tingling sensation
- you get wet
- throbbing
"Oooh Susie, that boy is giving me a pussy seizure."
by Shurrell January 3, 2006
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What comes after scope creep. The complete disregard for the original project parameters agreed upon by everyone involved, including the person now causing the scope seizure, (know as the douche.)
Coworker 1: "What the Actual Fuck?! Revising the PowerPoint now includes redesigning the website and producing a video?! Dude, that is total scope seizure!"

Coworker 2: "Right?? The boss totally hosed us on this one. This wasn't what we talked about at all."

Douche: "It's going to be great, isn't it?"
by hawthornenube November 2, 2010
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