Top Definition
A Marijuana Trigger Bowl, commonly referred as MTB, is the catalyst used to bring about a stronger and quicker high after using narcotics such as ecstacy.
Sasha- Sadie? Are you trippin' yet?

Sadie- No!

Sasha- Fuck! We forgot the MTB (Marijuana Trigger Bowl)!

Sadie- Well that explains the delay. Load Optimus (Bong).
by TheTrypleThreat September 06, 2010

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