People who constantly tell you what you WANT to hear ...Feeding someone's ego with constant adoration and commentary. Telling someone everything they want to hear and nothing they need to hear.
seriously. Im not blowing smoke up your ass!!!! you are so pretty. I wish I could be just like you... Your husband/wife is so handsome/pretty..... You have the nicest car.....I wish I had hair just like yours... etc...etc....
by Mizzrey September 13, 2013
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To be rolling on MDMA(Ecstasy) super hard. Most intense feeling or peak of an MDMA experience. Can either be used to describe coming up very rapidly on the drug in the beggining of an MDMA experience, or to reach a peak or plateau of an MDMA experience.
I was blowing up really hard the other night, it was intense.

Im gonna blow up hardcore tonight, man.
by D.Rock December 28, 2006
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Complimenting a person merely to gain something in return.
Joe: That automobile salesman sure thought you were a good driver. Did you hear all the compliments he gave you?

Bob: Yeah. He was just blowing smoke up my ass to get me to buy the car.
by Old Polecat April 15, 2011
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A person who gives complements blindly and without thought.
I try to criticize you so that you can improve, but you are not willing to listen. You just want me to always be blowing smoke up your ass.
by Eluu December 31, 2016
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The opposite of a glow-up, a really hideous or ugly transformation from someone who used to be attractive.
“Yoooo Darrien, have you seen what happened to Andres?”
“Yeah bro! Goddamn! he got acne all over his face and gained like 20 pounds!”

“Bro I’m telling you he fr had a blow up”
by a4applesauce September 12, 2020
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Giving a gratuitous and insincere compliment, possibly to deceive. (Can be my, your, his, or her ass, but probably not plural, as in their asses.)
Yeah, sure. Thanks for the kind words, but I think you're blowing smoke up my ass.
by RSD July 7, 2006
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Any insoluble substance used to adulterate Crack Cocaine at the oil stage in its preperation for the purpose of cutting or making more potent.
Awwwww hell nah mane, this dope all blow up.

Awwwww hell yeah mane, this blow up got me bouncin off the walls B.
by Dope Boy Magic 187 July 9, 2006
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