semi-erect penis, hollywood loaf, not ready for action
Drinking all night put the flag at half mast, and Rob could not perform.
by elvette July 20, 2006
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any man running with an uncomfortably noticeable erection, possibly while naked.
Janus ran full mast yesterday morning during his morning job through the nudist colony. He was running full mast, to the shock and envy of all.
by AnonEmous September 6, 2013
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Flying half mast is when you have a boner that isn't as hard

also known as: Half Chub
Guy #1: hey do you see that girl?
Guy #2: The one in the booty shorts?
Guy #1 Yeah she's the reason I'm flying half mast.
by Alex_Pax November 23, 2016
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The incredibly pleasing sensation gained when scratching the inside of your ears with something long and thin, like a q-tip or a tooth pick.

Can also be the act of pleasing your hearing by listening to ACDC, Ozzie, Guns n Roses, or whatever tune is exciting to you.
John! Check out the chick on the bench scratching her ear with the pen! She acts like she's about to orgasm.

Mmm. Mast-ear-bation. She's even got the O-face!
by Admiral Fubar August 18, 2010
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White ass school with white thots and white F*ckboys . Most people are goody too shoes and don’t do shit. The teachers blab all day and all the boys do after school is play fortnite and nobody that goes there has a life. If you go there, you have no life, no friends, and your living in hell. MaST is hell!! F*CK MAST!!
Person 1: I want to leave this f*kin school so bad it’s such a hell whole!

Person 2: Ya F*ck Mast Community Charter School
by Mast Charter School April 1, 2019
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The top school in the city of Philadephia. It is home to many students and teachers. But the thing is that most of the students are mean to each other for no reason. The good teachers try to teach the students but the students act out for no reason. The bad teachers are teachers that everyone hates but the teacher's pet smh. The school could improve but the students don't allow it to happen.
Friend from a different school, "Hey wanna come to my house this weekend for spring break ?"
Second Friend at Mat, "Nah I the teachers at Mast Community Charter School give us a lot of homework on spring break smh"

Person 1, "Yo this school {Mast Community Charter School fucking sucks just like the teachers lol"
Person 2, "Hahahaha Ikr} duck this school such a Hell Hole "
by Garbear200 June 7, 2019
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