Habitual Pot Smoker - Someone who eats pot like it's a snack and still manages to

Someone who eats pot like it's a snack and still manages to live.

I ate a whole bowl of weed and still made it to the grocery store.

I smoked so much I could feel my brain melting, but I still finished my homework.

I inhaled like it was my last breath, but I still went to the gym.