Definitions:

1. A fast-swimming predatory fish found in tropical and subtropical waters, prized by sport fishers for its speed and game qualities and also known for its firm, flavorful flesh. NOUN
   • He caught a large wahoo while deep-see fishing in the Caribbean.
2. Refers to a shrub native to North America, known for its medicinal uses and bright red berries. NOUN
   • The bright berries of the wahoo plant make it a popular ornamental shrub.
3. Used informally as an exclamation of excitement or joy. NOUN
   • When she won the race, she shouted 'Wahoo!'.

Synonyms:

• burning bush
• hooray
• whee