Someone who mistakenly submerges, jumps into or enters a body of
water (swimming pool, ocean) while holding a joint or
blunt, or while carrying a quantity of
marijuana.
"He jumped in the pool with the
doob? What a Loz"
"He went
swimming with the green in his pocket! Stupid Lozza!"
"He did a Loz and got all the
bud soaking wet."