LAY SOMETHING ON THICK (OR WITH A TROWEL)
Meaning of LAY SOMETHING ON THICK (OR WITH A TROWEL) in English
lay something on thick ( or with a trowel)
informal
grossly exaggerate or overemphasize something.
→ lay
Concise Oxford English vocab.
Сжатый оксфордский словарь английского языка.
2004