The one-hit wonder, do or die of all sexual adventures. First the man firmly and vigorously fucks the girl in a missionary position, and just before he climaxes, he climbs swiftly up onto the bedstand, back facing the woman who is lying on her back with her legs spread as high and wide as she can get them. The man then proceeds to execute a graceful backflip, landing penis first into the girl's vagina and unleashing his load into her.
"Helen is still in the hospital after having her pelvis crushed by my masterfully executed Mexican Backflip."
by Steven J. Watson April 3, 2008
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A type of joint or spliff rolled using the backroll method, but finished off by using a lighter to burn off the excess paper, rather than ripping or cutting.

A proper urning backflip (otherwise known as an ultimate burning backflip) can only be performed if the excess paper is lit near to the roach, then held pointing upwards, so that the paper burns upwards, like a wick on a stick of dynamite, all the way up to the end (which should have been loosely twisted). at this point if your timing is perfect, you can twist the joint, point it downwards and begin to toke on it. if you have done it just right you will be able to spark the spliff from the original fire caused by the burning off paper.

you can see that then name burning back flip comes from 1) the backroll and 2) the motions the joint makes as you light/toke it. not only does this look cool but it is also a nicer smoke, as you have removed excess paper that you would have been inhaling
me: "i just busted the ultimate burning backflip man! all that practice paid off!"
dude: "gnarly bro! you must be a professional stoner!"
by Olly J April 4, 2006
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Dating back to ancient times when the Liao Dynasty fought the Mongolians, the Mongolians would defame there enemy by performing naked back flips off of high areas to impale the cold rectum of there enemies.
Stacey's body was all limp and cold last night, couldn't resist slamming her with a cheeky Mongolian backflip
by EugeneMachine September 5, 2018
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A phrase yelled at people who are going to commit suicide by jumping off a high structure to do a backflip.
Person 1: Hey! He is gonna jump
Person 2: Do a backflip!
by Specialopsash February 27, 2019
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The first Android phone for AT&T but it's extremely slow, has soooooo much AT&T crapware, shitty Yahoo! search replacing the God of all search engines, Google, and it's got MOTOBLUR, which is pointless.

However, this is available for 99.99 which is pretty good, but it's not worth it. Possibly sucks because AT&T is married to Apple and Apple will divorce AT&T if they let Android take over.
I bought the Motorola Backflip because I don't want an iPhone, and I want Android, sadly, the phone is pathetic even compared to the T-Mobile G1, which is old. Thankfully, I will buy a Palm Pre Plus when it comes out but sadly it won't have Android.
by kkbye May 13, 2010
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The circadian rhythm is the cycle that dictates what your body does when: secretions, sleep, awake, temperature fluctuations, etc; but most importantly, when it does those things.

A circadian backflip is something shift workers and people stuck on night shift experience, when they wake after dark, and go to sleep after dawn.
Person 1- "Where's Cornelius lately? I haven't seen him in months!"
Person2- "Me neither. Since he started his new job he's had a full-on Circadian Backflip. He looks just like Bela Lugosi now!"
by JayszunVanderwerff July 24, 2011
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