When you meet someone you are very fond of, like a celebrity, movie star, etc. and you get completely overwhelmed, paralyzed and/or speechless by the experience.
I've just bumped into Scarlett Johansson tits at Starbucks. I'm still starstruck!
I got really starstruck when I saw George Michael on that public toilet.
Mr George Lucas made a surprise appereance at the Star Wars Convention last night. We all screamed. Everybody was soooo starstruck!
when you are so madly in love with a superstar that you even make them a fake myspace and put yourself as their top friend and have "them" post personalcomments on your page
Person 1: Dude, I got Stairstrucken yesterday, it was the BEST!
Person 2: Okay, did anything else happen?
Person 1: yeah i broke all of my bones
*the camera then pans to him covered in bandages*