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1. If something isn't working right....

2. To be cheating on your other half
1.AWW my cars playing up it won't start!

2.See that guy Bob...He's playing up on his wife...
by shaktisaurfang September 12, 2010
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2
When a certain induvidual cannot control their behaviour
Bro stop playing up, i cant help it been on the piss alday
by bpnz June 11, 2016
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