HyperDic

English > 1 sense of the word whacko:
NOUNperson whacko, nutter, wackoa person who is regarded as eccentric or mad
whacko > pronunciation
Soundswae'kow
RhymesAcapulco ... zydeco: 54 rhymes with kow...
English > whacko: 1 sense > noun 1, person
MeaningA person who is regarded as eccentric or mad.
Synonymsnutter, wacko
Broadereccentric, eccentric person, flake, oddball, geekA person with an unusual or odd personality