to sneak up and violently ram your boyfriend in the butthole with your kosher shlong.
That's not bad. I got a shirun from a black man and couldn't walk for a week.
by shirunistheman May 25, 2011
Extremely smart and definitely someone that you should not mess with. He will always find ways to outsmart you and he will definitely make you feel stupid. Also one who is very athletic and can usually speak multiple languages.
No one can get a better grade than shirun.
by Honesty<3 May 15, 2011
I wish I had a shirun.
by Doctordick1124 May 15, 2011

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