Finally, the storm passed like a fit of helpless laughter that peters out at long last.

Which again reduced the little girl to helpless laughter.

All four of them exchanged a look, and burst out in helpless laughter.

Only when they were well away down the canal did Kat give way to helpless laughter.

Faith shook with helpless laughter over his pose and expression.

Her fit of helpless laughter had been so strange.

Malcolm sat back and covered his eyes, stricken with helpless laughter.

Even over it, I could hear his high, helpless laughter, a sound that was close to hysteria.

He almost spoiled the whole thing by bursting into helpless laughter.

He wanted time to think, time to control the helpless laughter.