in Co. Donegal a yock can be any of the following
A Girl that is a bit of a slut (See Mad Yock)
by jesus sir that is a quer yock you have there (Refering to a fancy car or a modified car, i.e. a corsa with a body kit and an 5 inch exhaust on it)
That Mary is a bit of a Yock, she only called off her engagement last week and now she has a new boyfriend.
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