My yp friend said 'nabei teng teng' and I said 'what does that mean?' He said 'it means I’m cool.'

In class, my yp friend said 'nabei teng teng' and I said 'why?' He said 'because I'm a yp and I say that.'

My yp friend said 'nabei teng teng' and I said 'you just say that for no reason.' He said 'exactly.'