A Plane Fart - a fart that you let out veryslowly when you are on a plane so that you don't gas-attack everyone in the immediate vicinity, especially the people sitting right next to you. Depending on the size of the fart, and the seating situation, the plart may need to be let out over a relatively long period of time.
Yo, I had to let a massive one loose, so I just plarted for like the last 20 minutes.
to dig vigorously; in the literal and figurative sense.
1. the girl plarted her way through the pile of old apenglish papers only to discover her epic failures.
2. the student plarted through The Grapes of Wrath in search for the impossible answer her teacher questioned.