pin back(redirected from pins back)
To draw something back and out of the way with a fastener of some kind. A noun or pronoun can be used between "pin" and "back." Do you have a hair clip? I need to pin my bangs back. I need something to pin back the pages on this cookbook. It keeps flipping shut while I'm cooking.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
pin something back
to hold something back by pinning. I will pin the curtains back to let a little more light in. Jane pinned back the curtains.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.