blow (up)on (someone or something)(redirected from blow on one)
blow (up)on (someone or something)
1. obsolete To defame or discredit someone or something; to slander or ruin someone's or something's reputation. No one in town would do business with Mr. Farnam after his honor and integrity had been blown upon by the duke. Think very carefully before you go blowing on someone of his rank, lest you wish to make a very powerful enemy.
2. obsolete To expose, reveal information about, or inform against someone or something. Confess to the crime, Cedric—your cronies have already blown upon you! He followed the traveling salesman to his next destination, intending to blow on his product as the snake oil that it was.
See also: blow
blow on it
slang Calm down! I know you guys are upset, but blow on it! You're going to wake the neighbors!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
blow on something
to force air across something especially with a puff of breath. Jill blew on the hot soup. Blow on the fire to make it burn hotter.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.