Air

Rare mixture of chemicals, it can be supplied in large quantities through lays bags

I don't know what you expected when looking up air on urban dictionary, actually, i don't know what you expected from looking up anything on urban dictionary

Clusterfuck

Something overly complicated to the point where it's a mess

"man your code is a Clusterfuck, use switch statements"

Nice weather today

a way to say "let's switch subject", typically when the conversation is getting heated

"I hate her so much"
"Nice weather today"