Also found in: Dictionary, Wikipedia.
slang Of two people, to kiss passionately and for a long period of time; to make out. The term is especially used to portray the act as distasteful to observe or as being performed crudely. I refuse to go to a movie with them again. All they did was suck face through the whole thing! It's a favorite spot where high school and college couples come to park their cars and suck face.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
tv. to kiss. (see also swap spits.) The kid said he was going out to suck face. It sounds awful.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.