A very thinly rolled joint. Usually for conserving weed, trying out the weed, concealing the joint, or for fun.
Dealer: "I rolled a thin lizzy so you could try out this new shit. It tastes like cheese."
Buyer: "It does taste like cheese, I'll take an eigth"
Friend: "I was almost out of weed so I rolled a thin lizzy"
Friend 2: "Oh good idea"
Prices shown in USD.