Top definition
a hairstyle worn by psychobillies, short on the sides with the top styled upwards and trimmed so that it is flat, hence the name 'flat top'.
"cool,cool,cool flat top yeah" lyrics by horrorpops.

My boyfriend Gareth would love a flat top but his hair's too curly lol
by strawberrycherry September 22, 2008
Get the mug
Get a flat top mug for your buddy Bob.
To stay behind in a foreign country while on a work related trip and abandon all of your responsibilities without saying anything to anyone in order to chase a girl only to come home five weeks later to find you no longer have a job and your cat hates you.
He is not on the plane, did Alex say goodbye to anyone? No, he totally flat topped. Well, I hope she isn't pregnant.
by the juggler November 20, 2013
Get the mug
Get a Flat Top mug for your bunkmate Bob.
An act committed by a dominant gay male, or a top, whereby he sneaks his hot dog in-between your buns by planking on your back; fully erect.

The flat top is considered to be one of the most daring and skillful planking maneuvers, as well as one of the most demeaning gay sex acts.
Guy 1: "I passed out drunk on the yard last night while taking a piss, and Chris took pictures planking on my back naked. On an unrelated note - Jagermeister really makes your asshole hurt in the morning."

Guy 2: "Dude... I saw the pics on Facebook.... you got Flat Topped. The national sexual assault hotline is 1-800-656-HOPE."
by winningmormon October 28, 2014
Get the mug
Get a Flat Top mug for your Facebook friend Trump.