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when you take a tennis ball and you open up your arm and then you put it in and then you stretch the skin over it and then you sew it shut and then it heals over the tennis ball to make it look like you have muscles
"That guy's muscles look fake as fuck."
"Yeah, rumor has it that he got an armplunt the other day."
by aLuxio October 29, 2018
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Sep 12 Word of the Day
Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.
A:dude, Anatidaephobia is the coolest phobia ever!
B:quack!
by blank babushka October 24, 2009
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2
When you take a tennis ball and you open up your arm and you put it in and then you stretch the skin over it and then you sew it shut and then it heals over the tennis ball so then you have muscles.
Arin gave himself an armplunt in order to make Dan think he was muscular and to impress Suzy.
by Eliteshoe3000 October 29, 2018
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3
It's when you take a tennis ball and you open up your arm and you put it in and then you stretch the skin over it and sew it shut. It then heals over the tennis ball to make it look like you have muscles.
Damn, Arin! Where did you get those muscles?

Oh, these are just my arm plunts.
by victoriousmoon October 29, 2018
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