Possibly the sexiest key on the standard keyboard. It feels good to press down, and you just want to do again and again and again and.... if you're a hardcore user, you might want to consider wearing a condom.
*presses the spacebar*
"Oh my god!!!!!!!!!!!!!!! Oh, what a feeling!!!! Toyot-"
"Quiet, you!"
The space between words when speaking, so that you can be understood; people that talk too fast and mumble do not use their spacebar. (Credit to comedian Howie Mandel.)
She was so excited and talking a mile a minute, I told her to chill and use her f**king spacebar.