14
Someone with little intelligence and/or regard for their surroundings; often accompanied by the flailing of their arms/legs as they walk in a very non-graceful manner, bumping into other objects and/or people on the way to their targeted destination. IE; the general public.
"Look at that flopper over their, he's in such a hurry to get a haircut that he ran out in front of that car, nearly got ran over, then collided right into that lamp post."

"Look at that old flopper trying to park his car, he's just hit two other cars in the process and doesn't even realize it."
by Robb L August 26, 2016
Get a Flopper mug for your daughter-in-law Riley.
15
A person who changes good friends, especially best friends, often.
"Isn't Sandy's best friend Kylie?"

"No, she's a flopper. Her new best friend is now Ashley."
by pookie8287 October 22, 2011
Get the Flopper neck gaiter and mug.
16
1. Person who cannot come up with a good definition for a made up word and give you a not funny reference to a videogame instead.
2. Someone who you asked to do something and instead went to sleep like a douchebag.
3. Replace Fuck.
4. A video game reference to shooting games when people die and continue to move after dying.
Marc give us a definition to this word we came up with.
Marc: Blah, blah, blah.
Dude that is not funny you are such a flopper.

Hey Francisco go type this. 5 minutes later... wtf why are you sleeping you flopper!
by Cockstain23 December 11, 2009
Get a Flopper mug for your brother Günter.
17
A person who flops his cock out when with a girl, then has it put back in for him after being denied
Nich was a bit of a flopper the other night, too bad he denied by molly, she is the biggest hoe
by Geoff June 01, 2003
Get a Flopper mug for your guy Zora.
18
One who messes up the lyrics in traditional christmas carols while singing in a group.
by Breezeleafe December 17, 2017
Get the Flopper neck gaiter and mug.
19
An un-circumsised male
That Flopper David is so gay, he made me lick his Flop
by Chris Kjos March 16, 2004
Get a Flopper mug for your coworker Bob.
20
When a man makes the mistake of wearing basketball shorts to work or on his activities and for no distinct reason has a semi hard on, that annoys him throughout the day
Yeah but I gotta run home first and change into some jeans, I've been a flopper all day.
by Mr. Flopper June 25, 2011
Get a flopper mug for your sister Sarah.