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2.
foreskin.
the extraskin on a mans penis
an uncircumcised croatian man
Girl one- Sally, does he have a tomislav?
Girl two- Yes, its not bad though.

or:

Boy 1: DUDE you are such a tomislav!
Boy 2: Actually im jewish from israel..so im circumcised.
by Andy100001 May 02, 2010
 
1.
Croatian alpha-male
That Tomislav, he likes to get do it Balkan style
by Tito May 12, 2003