I assume it's a pet name (name for your girlfriend/boyfriend only you use, an example would be; baby, honey, punkin, etc) for the girl he likes. He's complimenting the girl through out the entire song so I don't think he would start off with an insult.

THank you guys^-^ I understood~

I was looking at multiple sources. It can mean two things. One is nice. The other is not so nice. 1 [nice])Something cute that Bruno Mars uses to refer to ladies/his fans 2 [not so nice]) a young female looking for the enjoyment of . . .men's. . . ..

hi... this is the full lyrics of this song http://www.brunomars.com/music/treasure i think the beginning has a rude meaning a little

the baby squirrel is in istanbul in turkey