Two Flush Megashit 

A bowel movement so mighty and triumphant that it requires a second flush. Constantly occurring in places such as Golden Corral or shit thrones of true men.

Just dropped a two flush megashit, it nearly tore my asshole asunder.

Two Flush Megashit by Yogurt slingin March 17, 2013

Megashark 

The most badass predator of all time, nemesis to the giant octopus.

Oh, Shit! Megashark!!!

Megashark by the one true urdler November 24, 2009

Megashower 

A term used when a person takes a shower and achieves a climactic orgasm in the process. You can bet on the fact that a shower lasting over 15 minutes is a Megashower.

sorry man. I had the greatest Megashower of my life

Megashower by Harry hermione December 3, 2010

Mrgah 

Sound that Jose makes. Can be positive or negative?

Jose u tryna film a clip?
Mrgah

Mrgah by nickygordo25 December 16, 2019

Mr.Gash 

A tranny who sucks horse cock, and gives billy goats rimjobs, because they look like a talking giant pussy.

That spin you did just reminded me of Mr.Gash faggot

Mr.Gash by Doggy Balls August 22, 2011

Groping in the Dark (Megashesh ba'afela) 

This phrase is from Hebrew and despite the somewhat sexual connotation in English, merely means 'clueless' or someone who is unbearably stupid.

Forget David's explanation. He's groping in the dark.

Groping in the Dark (Megashesh ba'afela) by Rose Z September 8, 2005

megashaft

A name given to Microsoft by anybody who has to use it to do more than send emails.

Joe: I am trying to get rid of Office Clipboard but it keeps coming back when I restart Office

Bob: Just another of Megashaft's 'features' I guess! Like how you cant add another search engine in IE7 because you need IE7 installed first to do it :S

megashaft by Oman October 2, 2007