1. Not being able to go to sleep because of a project due and you rant to google about it
2. When someone asks you if you're okay when you're really not, so you don't have to explain why you're not okay.
3. What a female says when she's indicating she doesn't want sex.
I have this 10 page essay due tomorrow.
*Goes to Google*
"Google I'm tired. "
"Hey, you good, dude. You look horrible."
"Yeah, I'm just tired."
*Rolls over in bed*
"I don't feel like it tonight. I'm tired.