1) an excuse to escape an uncomfortable situation
2) an excuse to spend time/for spending time on the computer
1)
Woman: Do you want to watch another episode of Glee?
Man: Yeah, I just have to check my email - you start without me.
2)
Man: It's almost midnight. What are you doing?
Woman: (shopping online) Just checking my email.
by katsafterme June 20, 2011