2. (noun) A noise evil fish make.
3. (verb) A mistake. To flup.
4. A replacement for the f-bomb.
2. "Flup," said the fish as he sliced off the girl's head.
3. Ugh, I can't believe I made such a flup!
4. FLUP YOU, MOTHER FLUPPER.
David: Did you dip 'em in milk?
Austin: Well duhh.
David: Dang that must have made a lot flup!!
Austin: Chyeah it did.
The word found life anew in 1998, when the codfather began using it as a replacement curse word out of respect for his staunch Christian friend.