When an employee takes a dump once per his or her shift. Generally taking place around the same timeframe each shift. In most situations a shiftly shit is strategically planned during undesirable work situations. Such situations include eluding a meeting or to get away from undesirable fellow employees.
It was 2:30 and Jane knew bastard boss Tom would be stopping by work at any moment. Wanting to escape any possibleconversation with Tom the boss, Jane planned her shiftly shit for the day.
"I'm low down and I'm shifty!
'And if you hear a man that sounds like me smack him
and ask him where the fuck did he get his damn raps from..'" - Eminem low down and shifty