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English[edit]
Etymology[edit]
yuck + -o
Interjection[edit]
yucko
- (informal) Yuck; yucky.
2013, Savannah Rain, Shattered Family:The diet food gets at me—yucko! No sugar, no fat, zero calories whenever possible. Ugh!
Adjective[edit]
yucko (not comparable)
- (informal) Yuck; yucky.