To commit suicide passively, via slow self-destruction, i.e., alcoholism, drug addiction, smoking.
The sad person committed slowicide by continuing to smoke and drink despite doctors' warnings that doing so would result in an untimely death.
di Ann_Hedonia 12 luglio 2008
(v.) The intentional taking of one's own life over a extended period of time, through self-destructive behavior.
It took 20 years, but he finally succeeded in committing slowicide by smoking heavily and drinking a quart of vodka every day.
di AnneHedonia 24 luglio 2008