The "four letter word" regarding Beck

I've been ruminating on this for a long time- I see a lot of people guessing it's rain and petals eavesdrop but I've been thinking it's coca cola.

We all know Beck and Hambie smoked and Beck seems like the person who may want to experiment (no judgment here). We all know that Amber likes to hold drug use over people's heads for leverage (mamalynn, destiny's brother).

I am pretty convinced Beck probably experimented with some nose candy a handful of times and Amber thinks we'd all lose our shit over it, that it's "tea".