lay it on with a trowel

The phrase "lay it on with a trowel" means to exaggerate or overemphasize something, often in a dramatic or excessive manner. It implies the act of using a trowel (a tool used for spreading or applying material) to spread something thickly and heavily, suggesting a heavy-handed or exaggerated approach. It is commonly used to describe someone who embellishes or exaggerates their statements, actions, or compliments excessively.