mosdeff 

shortened version of "most definitely," making the phrase easier to say, less pretensious, less poser-ish, and works well in texts

I would mosdeff go to the concert, but my sister was a slor, so my mom grounded her and i can't get a ride.

mosdeff by huhwhat?56 January 20, 2009

mosdef 

shortened form for 'most definitely'

A: you gonna come out tonight?
B: oh mosdef!

mosdef by AznC June 18, 2003

Mosdefosho 

Most definitely for sure, used to express excitement about something.

Kayla "dude we should totally go climb the cliffs out at high cliff!"
Andrea "mosdefosho!"

Mosdefosho by mr.histheshit June 15, 2011

mosdef 

It means 'most definately'

Q. "will you make it tonight? "
A. "mosdef "

mosdef by mitta lee-alle "hannah" August 11, 2010

mosdefleet 

To be "Most Definently Elite".
Used an an adjective.
see also "Defleet"

"That was a tight game, mosdefleet imo"

mosdefleet by Matthew P May 24, 2006