sneeze on
sneeze on (someone or something)
To spray someone or something with one's sneeze. As a parent of toddlers, you get used to your kids sneezing on you accidentally. Don't sneeze on your hands like that—you're just going to spread germs everywhere!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
sneeze on someone or something
to aim a sneeze onto someone or something, probably by accident. Don't sneeze on me! Don't sneeze on anything. Cover your nose and mouth!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.