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1) Someone or something bitchy.
2) Something cool, tight, or sweet. Can be used in place of words like Awesome, or phrases like off the chain.
1) Girl 1: Have you talked to Mandy lately?
Girl 2: She was a complete piranhaise to me all day!

2) Dude 1: Check out my sweet new mustang bro.
Dude 2: Piranhaise!
by M-Sizzle March 05, 2007
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2
1) Someone or something bitchy.
2) Something cool, tight, or sweet. Can be used in place of words like Awesome, or phrases like off the chain.
1) Girl 1: Have you talked to Mandy lately?
Girl 2: She was a complete piranhaise to me all day!

2) Dude 1: Check out my sweet new mustang bro.
Dude 2: Piranhaise!
by M-Sizzle March 05, 2007
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Get a Piranhaise mug for your mother-in-law Jovana.