Top Definition
adj. having copious amounts of peanut butter to the point where milk is absolutely necessary.

Contraction of Peanut Butter and Fantastic, used primarily in modern stoner speech
Man, this sandwich is gonna be peanut buttertastic! Hand me that milk, bro.
by Skippy Jif Reeses December 02, 2008
6 Words related to Peanut Buttertastic

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