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1.
Hosni are defined as sexy people, that are very intelligent and have a great lifestyle.
You are such a Hosni.
by Hosni August 26, 2008
 
2.
a terribly unattractive and herpes infested swine dictator; a quality describing someone who never knows when to quit.
(when your friend is being a major jerk) Don't be so hosni, man!
by hussymabrook March 02, 2011