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2.
Title given to a man who has passed his prime.

Whilst he may have been a lady killer back in his day, A "Sirwoz" has often lost much of his hair or gained alot of body weight and has hence lost his appeal with the opposite sex.
"Look at that sirwoz" (whilst looking at old man in bar)

"Man, that guy was the biggest Sirwoz i've ever seen"
by josh kernich December 20, 2006
 
1.
A person who is an extremly good looking bloke, very funny, charming and charasmatic.
Can be reconigized by charisma marks on the hand and lower arm region. Also is known to enjoy smarties.
Why do all the hot bikini and lingerie models only go out with a sirwoz?
by hot model January 02, 2006