This comes from the 1980s comic strip, "Toby Juan: Hound of Decadence," where Toby's owner's name was Dave Frappus.
Frappy (adj); to frap, frapping, frapped (v). Synonyms include ham, cheeky, and in Spanish, chiflado. It nicely fills a void in the English lexicon where no other word quite captures the spirit of unprovoked silliness.
"Look at that frappy little kitten, playing with that piece of string."
Or, "I just got a raise at work and I sure am feeling frappy today."
a) Some slight sexual stimulation (strip club, winning money, softcore porn, etc)
b) Inability to become fully-hard right after having achieved orgasm.
c) Erectile Dysfunction
Girl: "Don't fuck with me, it's only been two minutes, I don't want that frappy to go soft on me"
it can also be referred to anything deemed unliked by yourself or others
another way to use the word gay in an un-homosexual way
Some frappy ass just took my spot in line!