A measurement for a period of time equaling 3 weeks; usually but not always referring to a period of time with or without attending class.
I haven't been to class in a malachi.
by GivinUpTheFight July 16, 2008

Malachi is a low down dirty ugly little dick ass bitch. He uses females to have sex and then he turns into a magician and disappears. He is a cheater, a liar, and a deceiver. Dont ever date a malachi
by Bobbybrown543pl December 2, 2019

A feral degenerate/feral creature that typically lives in sewage lines. The Malachi has generally not gone through the evolutionary process, and shares instinctual characteristics of Earth's first organisms. The Malachi has thin, spider-like arms, and bulbous eyes, protruding from it's sagging flesh.
"Dayne Francis, why are you dating that Malachi? That's bestiality!"
"I'm attempting to fulfill my ancient urges for the Malachi race."
"I'm attempting to fulfill my ancient urges for the Malachi race."
by MrsDayneFrancis September 3, 2013

by Crypt1c July 28, 2022

Malachi is the cutest boy you will ever meet.He is funny,athletic,has curly hair, he is just a dream.you will find yourself thinking about a Malachi all day.he is very special,truly someone you would NEVER want to let go.
Person:hey I started talking to Malachi and I think I have a crush on him.
Person2:ofc you will he is a dream
Person2:ofc you will he is a dream
by K.thavibe December 14, 2019

by Spartan420 December 30, 2021

Malachi a retard meme boi who likes sucking dick 20-47 and who has a small penis and a high pitched voice most 7 yr old girls have a lower voice than him he also likes hentai and jerks off to 7 deadly sins (the anime) and he doesn't even have max drift in fornite he also looks like hes a starving version of Mr. T or even a minion.
by Chandelier101 October 20, 2018
