A square, someone who is not with it. Combination of "flop + dope" = FLOPE.
In the song "Big Name Button" by the Royal Teens, they sing:
"...you're a flope and you aren't in the club." (if you don't have a big name button, which was all the rage in the late 1950s.)
Pronounced flow-pell, is the art of accidentally tripping and falling in such a manner that you are subsequently propelled into another dimention. Flopelling, although uncommon, can only happen to females of hispanic descent between the ages of 11 and 63.
Juanita: Gurlllll I could really use some taco's right about now, i'll buy!
Paola: Sounds SUPA tasty cholita homie gurl.
Juanita: *BZRTYZT*
Paola: Damn gurl! Why you gots to flopell on me like that?!
Where someone constantly thinks of everything as a joke/makes joke that are unfunny or no one laughs at despite the comedic intention.
"Flop" as the jokes, well, flop as how unfunny they are.
"edian" comedian,play on words.
"He/She is such a flopedian, none of his jokes are funny"
"He/She is such a flopedian, I wasn't making a joke but they took it as if it was"