When some one open handedly slaps your chest and your back at the same time.
"Casey and I were at the Keeler's house, and mike came up and agressivly front backed us."

"Sam was bitching and makeing me listen to MGMT, so i front backed the shit out of that fool."

"I tryed to front back Jack K's dad, but got punched in the face."
by Wy Guy December 14, 2009
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The inability to decide which seat to take due to the quantity of friends both "kickin' in the front seat" and "sittin' in the back seat." Characterized by indecision and anxiety as the individual has "gotta make their mind up."

A largely ignored condition until early 2011, the "front-seat back-seat dilemma" was widely publicized upon the advent of Rebecca Black's viral single "Friday."
Friend 1 (From the front seat): "Why won't Tim get in the car? I have a dermatologist appointment in 5 minutes!"

Friend 2 (From the back seat): "Dude, give him a break. He's suffering a front-seat back-seat dilemma. Everyone's been there once."
by Word Bendo March 27, 2011
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Phrase used by australian government to inform all drivers of vehicles that all passengers must put on a seatbelt
It is illegal not to put a seatbelt on in australia.
Click clack front and back is the sound of putting on a seatbelt in the front and back seats
by Steve.kun November 4, 2013
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A rare condition in which one cannot decide which seat to take, even though only one actual seat is available. This is generally caused by a mental defect of some sort.
Eric: I cant decide which seat i should take on the bus sometimes. I think I may have Front seat, Back seat syndrome.
by Jim Sominsummthin July 20, 2011
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When you aren't quite able to choose if you're going to kick it in the front seat, or sit in the back seat. Often you aren't even sure if there is room in either sections of the car.
Rebecca Black: Kickin' in the front seat, sittin in the back seat. Which seat can I taaaaaaakke?

-As you can see, it can be quite the Front Seat Back Seat Dilemma.
by RoboCat March 25, 2011
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Front Back Booty(commonly used by those who support hip-hop culture) is when a women is standing in front of you and you can see her booty without having to view her from the back or side
Damn!, That girl be rockin all kinds of front back booty.
by Kitty5 May 6, 2008
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The act of throwing up and pooping in the same hole (usually a toilet) at the same time.
"How was your night, man? I only saw you at the party for a bit."
"Dude, it was great. I had my first front-back yack. It all landed in the toilet too; none on my clothes."
"Dang, that's pretty impressive."
by fby_guy May 16, 2019
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