Bomb Junkie

A person with a obsessive interest in explosives, such as: HMEs, grenades, TNT, etc. This person will often spend time creating explosives by various methods,(chemical, mechanical, and/or nuclear) while the chemical method tend to the majority of cases. Due to this, this person would hoard a plethora of chemical ingredients. Lastly this person would ignore their own health and safety often severally harming or fatality wounding themselves in fabricated these explosives.

Person 1:Hey, why does John have so much nitric acid?
Person 2:Oh, he's a "Bomb Junkie" be careful around that stuff.