Top Definition
When an excited dog closes their mouth too soon when trying to catch a ball, causing the ball to bounce away off their nose
John- How's Sammy with the ball these days? Is she able to catch it?

Dave- Nah, gets so excited that when I throw the ball at her, she premature catchulates all over the place... She has a real bad case of premature catchulation.
by Jashn May 24, 2013
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