A gangster or someone pretending to be a gangster might say "Hey Gee!" to get a fellow gangster's attention.
MCR, or My Chemical Romance fans may refer to Gerard Way simply as Gee if they are feeling lazy, or using it as an affectionate nickname.
Usually loudly, 'Oh My God,' but due to the internet shortening of it to OMG, it is then said Oh Ehm Gee.
Used to say something is uncool or cheesy.
Used as a more polite version of 'Jesus Christ!' usually loudly.
As Ali G was already taken by a male, black guy, which is the opposite of me, and I have always used Ali as my first name, I use Ali Gee. The Gee came from my last initial which I prefer over my last name which is too easy to make fun of and can get annoying.
2&3. EmohThe(Formerly?)AdoringMCRFan: "Oh Ehm Gee! It's Gee Way!" **Squeeks**
4. TomTheMiddleSchoolStudent: "Dude, that drugs assembly was soooo gee!
5. AllenThePersonWhoGotHitByACar: "Gee! That car came outta nowhere!"
6. KeeleyTheAliGeeFriend: "Hey Gee! Come here, yo!"