allow (one) up(redirected from allow them up)
allow (one) up
To let someone rise from a prone position. If you're able to knock down your opponent, don't allow him up!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
allow someone up
(from something) to permit someone to arise or get up. (Fixed phrase.) He knocked Peter down and would not allow him up from the ground. The doctor won't allow you up!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.