scope on (one)
slang To regard or look at one with sexual attraction or interest. He spent the whole date scoping on other girls, so, no, I don't think it went very well. There's some girl at the bar scoping on you, Chris—you should go over and talk to her.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
See scope on someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.