lay something on thick
lay it on thick
To exaggerate, overembellish, or overstate some emotional experience, response, or appeal, such as blame, praise, flattery, excuses, etc. Jim carries on as though flattering the boss will get him a promotion, so he's always laying it on thick for her. Bob, I think Mary understands the trouble she's in, no need to lay it on so thick.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
lay something on thick (or with a trowel)grossly exaggerate or overemphasize something. informal
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