According to urbandictionary.com:
toastie – The leftover marijuana in a bag after most is gone, usually the shake that is left.
This probably epitomizes how off in my own wilderness I am, but I really didn’t know this until today, until someone complimented me for being “bold” enough to go around calling myself Toastie.
I really should’ve made up a story a long, long time ago, but the true one about having received the moniker somewhat randomly without any known origin has always been pretty lame.
bullcitydave 
For the past few years, people have started disbelieving that my birthday was April 20th. I’m like “It’s been that way for 47 years, and a lit longer than your stupid ‘420‘ jokes.”
“lit.” Heh. I meant “lot.”