It is named 'gamba' because you can eat a gamba(crustacean), but when you are eating you have to put away the head.
So you trow away the head and eat the nice part.
(They are seeing her back)
Another cool guy: You're damn right!
(Gamba is turning around)
Cool guy: WHATHE HELL!!!
Another cool guy: Look at that awfull face!
(They ran away and now are in therapy)