The act of repeatedly posting messages, links, photos, or statuses that nobody else particularly cares about on facebook to the point where your posts completely cover everyone else's newsfeed/live feed. This usually results in everybody who is misfortunate enough to be your friend to become extremely irritated with you (as they have a right to be) and hide you from their newsfeed.
This girl keeps posting status updates about how much she loves her stupid boyfriend!
Oh I know! Her posts are blowing up newsfeed!
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To tell someone somthing that was supposed to be a secret.
Greg: Yo i saw ur man at the party yesterdeay..he went upstairs wit Kiesha.
Lawisha: What!
Lawisha: WTF were u doing with Kiesha.
Ingus: I dunno what your talking about.
Lawisha: Dont play Greg already blew you up.
Ingus: For real..be rite baq.
-Ingus is rolling deep-
Ingus: Good looks on blowing mah spot up.
Greg: I dunno what your talking about.
-Ingus and crew beat his ass-
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a life size thin plastic doll filled with air used for male sexual conquests. Specifically in things an average female would find offensive.
"I had a fight last night with my blow up doll, but I think I can patch things up."
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1 - The act of sending repeated text messages and phone calls to a friend.
2- A popular phone prank service used to get revenge on your friends.
How can i get back at my friend?
Easy, just blow up the phone, dude!
When a girl gives you head while your dick is wrapped in a fruit roll up
Shawty: "I don't want to give you head. Your dick tastes bad!"
Bro: "What if I wrap it in a fruit roll up?"
Shawty: "Oh hell yes! I'll give you a fruit blow up whenever you want!"
To wreak havoc on a toilet (preferably someone else’s) by taking a monster shit, often of the explosive diarrhea variety, with extreme force. Past tense: Blew up the Can.
Jay: “Every time I go over to Ethan’s house, I blow up the can after dinner. I don’t think his parents are ever gonna let me come back again.”
Larry: “Susan let me stay over last night and this morning I totally blew up the can. Now she won’t return my calls.”
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.
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