laughing gas 
noun
Non-technical term for nitrous oxide.Nitrous oxide, or laughing gas, is replacing the After Eight as the post-dinner treat in some circles....
- Can I bring a couple of friends along to your next laughing gas party?
- We agreed that I would bring the clams and he would bring the laughing gas.
- blower
- blowfish
- blowfly
- blowgun
- blowhard
- blowhole
- blow hot and cold
- blowie
- blow in
- blowing-up
- blow job
- Blow, John
- blowlamp
- blown
- blown-up
- blow off
- blow off steam
- blow one's nose
- blow one's (own) trumpet
- blow one's top (or lid or stack)
- blow (or clear) away the cobwebs
- blow (or toot) one's own horn
- blow out
- blowout
- blowout preventer