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An extension of the commonly expressed 'yuck!' for something that tastes bad or is gross. The 'o-la' is meant to soften the word, or make it a little bit cute sounding.

Would you like the rest of my hot dog? Yucky-o-la, I don't like hot dogs.

Give me a kiss. No way. Yucky-o-la. Your breath is so bad.
by Aistra Oleander January 21, 2006
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