the Gland Canyon
slang The breasts or one's cleavage. A pun on "the Grand Canyon" and mammary glands. Did she get a boob job? The Gland Canyon is much more noticeable these days.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. the cleavage (between the breasts). (see also Mammary Lane.) I’d like nothing better than being lost in Gland Canyon.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.