person 1: how many people live on earth?
person 2: 7 billion, you gronkstick
by doona willy February 8, 2020
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a gronkstick is someone who is a little think in the head. a bit of a dumby. you would most likely call someone you hate a gronkstick.
person 1: julian thought 2x3 was 5!
person 2: what a gronkstick!
by doona willy February 8, 2020
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