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slang Of or related to vomiting and nausea. The poor child must have picked up some kind of sicky bug from day care. I had a bit of a sicky tummy after eating there last night, so I don't think I would go back.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. someone who seems mentally deranged. Some sicky drew these obscene pictures on the wall.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.