When someone is putting you on, or being a kiss-ass.
"Gurl, no offense, but Dabreesha was totally blowing smoke up your snatch when she told you that dress looked good on you."
Most literally translating to "trying to get a reaction" out of somebody. Originated from a 16th century technique to determine death by literally blowing tobacco smoke into someone's anus (through a long pipe) - where a reaction indicated that the person was still alive.
Guy 1: Hey man, I think someone just stole your car!
Guy 2: Are you blowing smoke up my ass?
The art of forming rings as you exhale smoke while smoking.
Man, it took me forever to learn how to blow a smoke ring, but it was worth it!
To say things deliberatly to anger someone. It comes from cockfighting where they blow smoke up a roosters ass before they put him into the ring to fight.
He's just blowing smoke up your ass, ignore him.
Blow your smoke is when the top blows smoke into the bottoms ass after they cum.
“Becky, will you blow my smoke later”
“Of course Lana, I would love to blow your smoke!”
To show disinterest, to exhibit a Cavalier attitude, or to show irreverence.
"I told him that the framus was bent, and all he did was blow a smoke ring!"
"I warned her that Teddy would leave her for good, but she just blew a smoke ring."
To "blow a smoke ring" is to overheat or overload electronic equipment, causing damage to the overheated component and associated system failure.
I sure yet, but it looks like a fan went south and the processor gagged. I hope it didn't blow a smoke ring.