Megatronz 

Fans of Meghan trainor, but not just any fan they are very obsessive most have fanpages and know many of Meghan's songs they often call the pop artist mtrain

I am one Meghan's amazing megatronz

Megatronz by princess of wafflology March 12, 2015

Megatronz 

Fans of Meghan Trainor, but not just any fans, obsessive fans who work together to create a tight knit megatron family. They often refer to the pop artist as mtrain and know all of the words to each of the artists songs, most famously "All about that bass!"

meghan trainor has an amazing family of megatronz that will always support her no matter what!

Megatronz by Dan tint February 4, 2016

Megathon 

A challenging series of workouts led by Beachbody super trainer Megan Davies that consists of 2 live streaming workouts a day; spanning 3-4 days in a row.
These workouts occur once a month on the Beachbody on Demand Interactive workout platform and are designed to increase strength, improve cardio and endurance and burn fat.

Man, I still can’t walk up the stairs after doing the Megathon last week!

Megathon by EDGE-ucatedGuess June 6, 2022

Megatron

B U C K E T H E A D

-Megatron proceeds to beat poor Starscream-

Megatron by Security Puppet July 16, 2021

Megatron

1. Leader of the decepticons

2. Deadliest NFL wide Calvin Johnson

1. "There goes Megatron terrorizing cities, and fighting optimus prime."

2. "Megatron with the 60 yard reception!"

Megatron by Ricky Tang July 6, 2014

Megatron

Sentinels bitch

There goes Megatron getting betrayed yet again, this is a frequent problem

Megatron by Spider-Machine GP-7 April 11, 2021

Megafonzie 

A unit for measuring the coolness of something. The origin of this scientific unit is the animated television show Futurama. Professor Hubert Farnesworth invents a Coolometer, which uses Megafonzies as a unit for coolness.

When pointed at www.urbandictionary.com, the coolometer is give a reading of over 50 Megafonzies!

Megafonzie by Perryguy August 29, 2004