magnamomentous 

Incredibly momentous; beyond an outstanding significance

The day I paid of $50k in studends loans was magnamomentous!

magnamomentous by random_poster August 11, 2005

magunum

Another name for a penis.

She noticed the outline of his magunum through the towel wrapped around his waist.

magunum by Esio December 13, 2006

magnute 

the opposite of minute. although sometimes used in the same context

girl 1 "dude that guys penis was magnute"
girl 2 "yeah I know it took me like ten minutes to find it in his pants"

magnute by sean freaking copeland August 25, 2007

magnutical 

energizing, fun, slightly creepy

Matt is very magnutical he is around a lot of people.

magnutical by Spencer Partridge November 25, 2007

Magnus Boru 

An internet meme and a euphemism describing an extremly tough and masculine male.

"Dude, did you see that guy tear that phone book in half? Total Magnus Boru!"

Magnus Boru by Double Corona March 31, 2009

Manumobile

(man-you-moe-beel) An auto-mobile, except with a manual transmission. And as automatic (automobile) cars have MANUALs in their glovebox, Manumobiles have Automatics to refer to in their glovebox. Just so everyones happy.

"Oh no, my manumobiles acting up, i better look through the automatic to see where the fuse panel is

Manumobile by unclepeanuts May 17, 2011

magnimania

megalomania.

You need to give up your magnimania.

magnimania by uttam maharjan October 6, 2012