1. causing insidious harm or ruin; ruinous; injurious; hurtful.
2. deadly; fatal.
3. Obsolete: evil; wicked.
Synonyms: harmful, detrimental, deleterious, destructive, damaging, baneful, noxious, malicious, lethal.
Etymology: from Latin perniciōsus, from perniciēs - ruin, from per- + nex (death, violent death).
So i’I’ve been feeling off for the past week or so and I just went 15 shots deep and I forgot this wonderful feeling, might definitely have to do this again. 8/10 would recommend to a friend