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1.
The Australian nickname meaning cowgirl.
Wow... that's one fine Jillaroo.
dodane przez cowgirl_tater czerwiec 21, 2004
 
2.
1. An exstremely unattractive or "undateable" guy
2. Someone that one must avoid flirting with at all costs
3. Male who tends to spend most time alone on the computer
4. Opposite of a jackaroo
Girl #1: Eww! Rachel check out that jillaroo!
Girl #2: Yea Kaitlin, he's totally undateable!
dodane przez kldsjiaehr787 luty 13, 2009