Lay it on thick is an idiom that means to exaggerate or overstate something. The crossword solutions for this term are BRAG (4 letters), LIE (3 letters), COAT (4 letters), BEDAUB (6 letters), and SLATHER (7 letters). All of these words have to do with exaggeration or embellishment, which is the essence of the phrase 'lay it on thick'. BRAG is to boast or talk proudly about oneself, while LIE is to make an untrue statement. COAT and BEDAUB both mean to cover something with a layer of something else, and SLATHER is to spread something thickly or generously. All of these words can be used to describe the act of laying it on thick.