Top Definition
A combination of a twitch and a spasm.
Dude, your dog is having a twism.
by Jimbo T. Jones February 19, 2009
Twism is when the prefix "tw" is added to a word that has been created, or coined out of the growing use of twitter and the nomanclature that is being created.
You just said, tweetheart and that is a twism.

Have you heard the twism,tweetheart?
by JunkyRhythm May 19, 2009
Shaq's lame record label, an acronym for "The World Is Mine".

Also, what you yell out when you jump up and hang on a lowered rim in the gym, or maybe even the occasional doorframe lintel. Be sure to slap the backboard/wall before landing for full Shaq-ish goodness.
TWIsM records went out of business, which should come as no surprise to anyone who has heard Shaq rap.

When Brandon TWIsM-ed on that double-door's frame, he broke the spring mechanism clean off and had to run away from the vice-principal to avoid being caught.
by Paul.B January 14, 2009
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