Completely incorrect, mistaken, or misinformed. A: "I'd say there are probably 500 jellybeans in that jar!" B: "Nope, you're way off! There's 1,725." Tom is way off about Jenny if he thinks she's the type to rat us out.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
way off (base)
Inf. Fig. on the wrong track; completely wrong. I think you're way off base. Try again. Sorry. You are way off. You should just give up.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See way off base
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.