Nagalai - A messy way of saying 'not gonna lie' like you're drunk and

A messy way of saying 'not gonna lie' like you're drunk and you just finished a whole pizza.

Nagalai, I just got a 100% on the test and I still didn't study.

Nagalai, I ate the whole pizza and I still didn't finish my homework.

Nagalai, I just texted my crush and I'm still blushing.