He took it all in; his smile widened to a manic grin.

She spoke the words with a manic grin that Seska had never seen on the engineer.

Two kids with manic grins gave the thumbs-up sign.

A manic grin leered down at me as I struggled to bridge the crux.

It evokes the idea of people cavorting around with manic grins on their faces.

"God, I am such an uncool guy," he said with a manic grin.

Santini gave one of his manic grins while Haven lit up.

Minelli asked, covering his fear with a manic grin.

Minelli crawled after them, face wrapped in a manic grin.

His manic grin stretched even further, more than Picard would have thought was even possible.