Real Dictionary

wahoo in American English 1
burning bush (sense 1)
noun: any of various American shrubs or small trees, as the winged elm, Ulmus alata, or a linden, Tilia heterophylla

wahoo in American English 2
a cork elm (Ulmus alata) of the S U.S.
noun: a shrub or small tree, Euonymus atropurpurea, of North America, having finely serrated, elliptical leaves and pendulous capsules that in opening reveal the bright-scarlet arils of the seeds

wahoo in American English 3
a large, scombroid game and food fish (Acanthocybium solanderi) of warm seas
noun: a large, swift mackerel, Acanthocybium solanderi, widespread in warm seas, of a steel blue to greenish blue above and silver below, often leaping from the water and occasionally schooling in great numbers: valued as a food and game fish

wahoo in American English 4
used to express unrestrained enthusiasm, exhilaration, etc.

wahoo in British English 1
noun: an elm, Ulmus alata, of SE North America having twigs with winged corky edges

wahoo in British English 2
noun: an E North American shrub or small tree, Euonymus atropurpureus, with scarlet capsules and seeds

wahoo in British English 3
noun: a large fast-moving food and game fish, Acanthocybium solandri, of tropical seas: family Scombridae (mackerels and tunnies)