Going shopping, and while trying clothes on, realizing how hideously fat you are, yet still buying pants three sizes too small, promising to starve yourself to fit into them before school gets back in.
"It's called inspirational shopping, every girl with ambition does it." - Gossip Girl
someone who sends instant messages to everyone--including ppl they don't know. im sluts are also known to im someone the second they log on the internet. an im slut is also occasionally a profile whore, but not always.
Kaleb has only been on aim for 30 seconds and Kristen has already sent him an instant message. That is because she is an im slut.