Random Words:
1.
An expression uttered on departure. Synonym for "goodbye". An elision of the common phrase "catch you later".
Deriv..
1.
disruptive chatter, idle chit chat/gossip,
casual social conversation
possibly an allusion to sound created by a jib sail 'flapp..
1.
Rolling on the floor laughing out loud while peeing my pants
I was ROTFLOLWPMPing at that joke.
See roflolwpmp, roflol, rofl, lol, rof..