Without warning, Data laughed insanely for two seconds, then cut off the awful racket abruptly.

He might have laughed insanely at this juncture.

Laughing insanely to himself the whole time.

Rod went away from me, and then I come around the corner and find him laughing insanely.

And that devil was laughing insanely as those bombers hurled into the fiery pit below him!

Gutheran and Hurd were totally drunk, laughing insanely at their victory.

He laughed insanely at the smell of aspirin on her breath.

He closed his eyes again and all of them laughed insanely.

The Klingon laughed insanely for a moment, then grew somber once more.

They laughed insanely, a chorus which was joined by the half-dozen white-gowned assistants.