It felt like laughing-gas; it forced one on, and yet it was so unreal.
I feel as if I had been living on laughing-gas these last two days.
He was wit-proof and fun-proof; but at a feeble jest would sometimes roar like a lion inflated with laughing-gas.
In these whimsical phantasmagorias men and women move and speak as at the bidding of destinies drunk with laughing-gas.
In medicine the anesthetic of choice is chloroform or ether; in dentistry it is laughing-gas, or nitrous oxide.
You give 'em some sort of laughing-gas; but me, I'm of a retiring disposition, and I never could force myself on nobody.
He thought it was laughing-gas, or the reaction of being fried all the morning, holding forth in that Town Hall.
By uniting the nitrogen and oxygen chemically (N2O) we have nitrous oxide, laughing-gas.
Johnnie felt as if she had taken a dose of laughing-gas, at the sight of twenty boys and girls all at once, real boys, real girls!
He was the discoverer of chlorine and laughing-gas, and the inventor of the miner's safety lamp.