His face twisted into a lecherous grin.

He did his best to make it a mindlessly lecherous grin, but his mind was turning with almost audible clicks.

I think she'd look better with a big, lecherous grin.

He gave me a lecherous grin, and I shuddered.

And get that lecherous grin off your face.

Cool and unattainable, Merissa regarded his lecherous grin with unruffled authority.

He flashed her a caricature of a lecherous grin.

He glanced over at the Dragon, who was moving steadily closer to Troi, a lecherous grin upon his face.

Bender rubbed his hands together and gave her his best lecherous grin.

Hsia's broad, ugly features twisted into a lecherous grin.