tv. to blow gobs of nasal mucus from one nostril at a time by blocking off the other nostril with a thumb. : Bob is always blowing snot rockets! How crude! , He tried to blow a snot rocket at the dog, but it kept right on barking.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw-Hill Education.
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