1. thizz - Noun
2. thizz - Verb
thizz (uncountable)
(US, California, slang, African-American Vernacular) MDMA; Ecstasy.
thizz (third-person singular simple present thizzes, present participle thizzing, simple past and past participle thizzed)
(US, California, slang, African-American Vernacular) To get high from the drug MDMA (Ecstasy).