...is defined in the Urban Dictionary as:
Hump Day -
Wednesday, or the hump of the week The absolute BEST day of the week, the day of maximum hope that maybe, you might make it out of this week alive. A particularly good hump day can last you the rest of the week, and by Doomday morning (Monday) you survive by anticipating hump day. Nothing goes wrong on hump day.
Most other days can be defined by hump day. Tuesday is the day before hump day. Thursday is one day after hump day. Except Friday is WOOOH!!! FREEDOM!!! Day, Saturday is Mostly Hungover day, and Sunday is PreDoom day.
Hump day has nothing to do with sex. Unless one wants it to. I like to declare the existence of hump day just to see people's faces. Usually being conservative and all "Do you know what the best thing about Tuesdays are? Its the day before Hump Day!" "What's hump day?" "It's the hump of the week!!" (they all shake their heads in pity.)