When you're watching gay furry porn and your dad walks in.
Person 1: Why do you have bruises all over your body?
Person 2: I didn't Alt-Tab in time.
You hear about that absolute bacon man.
Are you talking about Tab Leutscher
How many browser-tabs you've opened after researching something on the web.
Weather for tomorrow: Tab Factor = 1
Closest bakery opened on a holiday: Tab Factor = 3
Trying to decide which iPad cover to buy on Amazon: Tab Factor = 17