jun bin's are the best triangle players in band, they can play the triangle at ffff for one bar and the next at pppp. they spend millions of years practicing triangle rudiments such as triangle flams and rolls. Rolls are especially useful in songs such as three czech folk songs movment 3, bar 81.
Look at that triangle player, he's so good! It must be jun bin!!
by Raffoul Is Gud January 26, 2019
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In Chinese slang Jun is described as handsome, or good looking young lads. While Bin is considered dustbin for most English users.

Thus, the definition for Jun Bin is a playboy character who is considered handsome or some what good looking but has a bad personality.
"Wah piang, this Jun Bin is so fucked up sia! He legit sniff girls hair in public!"
by Trixter22 November 22, 2021
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