A frown or a mug, especially at somebody. It can also be a smirk.
Take your upside down smile and shove it.
by Mr. Terrence L. Trezvant September 8, 2007
Get the upside down smile mug.
The act of fondling a Mans or Woman’s crotch with your fingers.

A Sexual maneuver that uses the hands to play with a persons genitals.

Pretending to play the Piano Upside Down in the Crotch area of another person.
(Duke)"Last night when i came home Torri gave me The Upside Down Piano"
(Dorian)" Wow what song did she play?"
by MC30 February 22, 2008
Get the Upside Down Piano mug.
Engaging in a frustrating pursuit that consumes more effort that it is worth. The idea is that "pissing upside down" is an ineffective way to do something very simple, and likely results in getting wet.

See Struggle-Bug
"I just wanted to get a quart of oil out of the garage but I bumped the boxes of scrapbooking supplies, which knocked over a bottle of brake fluid that split open and is getting everywhere. Now I'm pissing upside down."
by skippy123456 January 31, 2009
Get the Pissing Upside Down mug.
The act of deficating in an explosive manner. This is usually a diahrea dump resembling a volcanic eruption, upside-down.
I just took the worst shit ever. It was an upside-down volcano.
by ruppge November 13, 2007
Get the upside-down volcano mug.
A way of preparing a margarita where someone sits in a chair with their head held back and their mouth wide open. Someone else then pours in their mouth a shot of margarita mix followed by a shot of tequilla a little more mix. When finished, the one who received the drink leans forward, shakes their head to mix the ingredients and drinks it in one gulp.
Sit over here I'll give you an upside-down margarita!
by Captain Bluebeard April 10, 2007
Get the upside-down margarita mug.
A fellatio technique where the giver is cupping and massaging the testicles and moving the fingers as if the person was playing a saxophone upside down.
"She looks like she is playing an upside-down saxophone with that guys cock."
by Tonytouch January 31, 2008
Get the Upside-down Saxophone mug.