Definitions by McClintock

jump bad 

'to start sh*t', 'to confront/challenge'

"He's a little light in the ass to jump bad this way"

jump bad by McClintock February 21, 2007

Flappin' ya jibs 

disruptive chatter, idle chit chat/gossip,
casual social conversation
possibly an allusion to sound created by a jib sail 'flappin' as wind flows past

Quit flappin' ya jibs and get back to work!

Flappin' ya jibs by McClintock February 21, 2007