A generally clingy person. They often like to stalk you and constantly text/call/social network/ you. They think that they are your best friend for life, when really you want to push them down the stairs. They are usually not attractive in any way, and think they are hot stuff.
Bob: Dude quick its a bmw!
Bill: Oh no!
Bmw: HEYYYYYY GUYSSS! *creepy smile*
Bob&Bill: uhh hi gotta go.
Ex. (A)
Johnny Racist: Go suck a BMW!
Toolbag Friend of Johnny's: Ha ha!
Ex. (B)
Johnny Racist: Is that an earthquake, or just a BMW walking by?
Bystander: DOUCHEBAG!
Ex. (C)
Gearhead: Hey, look a BMW M5 with a type 4 body kit and chrome spinners!
Bystander: Nice car.