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noun: a puffy vest, usually made of down, as worn by Marty McFly in Back to the Future.
It is a little bit chilly today. I better wear my marty mcfly.
by Sarah234 September 20, 2006
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Mar 6 Word of the Day
a spanish word meaning the flipflop
used by latin moms to beat their child's ass
Latin mom: DO U NOT FUCKING LISTEN CHILD
Latin child: OH SHIT NOT LA CHANCLA
by allygator February 07, 2015
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2
To perform a surprise sex act by first pointing and Yelling "WHAT THE HELL IS THAT!!" and acting upon once your partner is distracted
Dude my girlfriend wouldn't do anal so i pulled the Marty Mcfly and did it anyway
by magicman1987 March 30, 2011
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3
A trick in skateboarding. When you are done skating for the time being you and kick the tail of the board sending it into the air and lands in your grasp.
Explanation: Why are those kids so astoundingly happy when they received their (skate/hover)board back from Marty McFly in the Back to the Future trilogy? The only trick that he does is kick the board up to his hands and give it to the child... silly Marty, you ain't that sweet.

Ex 1: "Dude you've been skating all day... Marty-McFly that bitch and lets do something else"

Ex 2: "Yo, Marty-McFly your board and let me try a kickflip"
by Stevenoni January 20, 2008
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4
noun or verb
a specific type of threesome with two partners separately but at the same time due to the 'Back to the Future' like time travel that occurs in certain countries on the first Sunday in November at exactly 2AM.
"I had sex with Jessica at 2AM, and precisely one hour later I had sex with Bridge... at the exact same time! Its a Back to the Future threesome! I did a Marty McFly!"
"Whoah, this is heavy."
by Great Scottt February 03, 2019
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5
To hit someone and run.
He keyed my car so I did a Marty McFly and drove off before he could catch me.
by BsPs September 26, 2008
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6
Being unconscious or passed out and waking up to find your mother hitting on you.
No more Crystal Meth cooladas, last time I woke up all Marty McFly. Mother's Day's gonna be weird this year.
by Dr. Dementia March 10, 2016
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