Top Definition
The real name for the involuntary jaw-clenching that you get when you take ecstacy.
Im getting chronic trisma from this roll.
by Diego October 02, 2003

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Derived from the popular holiday and its perhaps most well-known expression 'Ho Ho Ho', a trismas is one third of that aka a Ho.
- Bro check out that girl, she got some TOB!
- Yeah, ive heard she's a real trismas!
by SDaSL November 22, 2011

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