Megabestie 

Short for "mega best friend". Someone who exceeds the status of a "best friend".

Amy is my megabestie; we do everything together.

Megabestie by megabestie August 29, 2013

Ultimate Super Awesome Mega Bestie

More than best friends

John: I love you so much Lisa, we are Ultimate Super Awesome Mega Bestie!
Lisa: I love you too John

Ultimate Super Awesome Mega Bestie by Labi June 18, 2013

Megabuster 

The Starting weapon of the popular Game Series Megaman.

The Megabuster is the coolest weapon ever made

Megabuster by Mike Gardner January 22, 2007

super ultra mega bestie 

when someone is rlly tight with you but then leaves you for his/her bf/gf and then they come running back telling you they want to be close again but then they leave you again bc you called someone a name hehehhehe

You are my super ultra mega bestie.

super ultra mega bestie by “friends” April 16, 2020

Megabese

the morbidly of morbidly obese, like when you just ate two sandwiches for lunch and had a quater pounder with cheese from mcdonalds 20 minutes later with a large fris.

Damn youre so megabese! you deadass split the couch in two!

Megabese by SkyProPC May 19, 2022