Definitions by Got_You

MFDD

Motherfucking Dangerous Device

Something that is considered extremely dangerous to a person's health and safety.

LT: Private, be careful with that MFDD! It can explode at any second!

PVT: Yes sir!

MFDD by Got_You May 2, 2019

A term used to describe opiates, such as oxycontin, that can be prescribed by a doctor.

I broke my arm last week so my doctor prescribed me some legal heroin.