nlbnolnlol

Stands for 'Not Laughing-But-Not-Out-Loud and Not Laughing-Out-Loud'. Pronounced nuh-lub-nol-nuh-lol. A convoluted way of saying that your not laughing.

A: Why did the chicken cross the road?
B: I don't know. Why?
A: To get to the other side!
B: nlbnolnlol