beamer
1. slang A vehicle manufactured by BMW. Also commonly spelled "beemer." Come on, I'll take you for a ride in my beautiful new beamer!
2. One who uses and/or is proficient with IBM computers. I'm a beamer, so I'll need a little more instruction on how to use this Mac here.
beamer
n. a user of IBM computers; one who is knowledgeable about IBM computers. (see also beemer.) I’m no beamer! I’m a Mac fan.