Short for let us go, or let's go, pronounced like lettuce
hey! lettus, bitches
electric lettus = cannibis
Old mate's been on the electric lettus again, just look at his eyes!
Pot, ganja, weed, reefer.
Let's go and smoke some of that devil's lettus.
A wooden thing that grabs lettus and often breaks with excessive force.
I broke the wooden lettus grabber