Urban Dictionary: CASM

2.	CASM
	Cost per Available Seat Mile The cost to an airline to fly a seat 1 (nautical) mile a stretched version of an aircraft often has a lower CASM due to more seats on board to spread the costs. A 777-300ER has lower CASM than a 777-200ER. buy casm mugs & shirts cost aircraft airline seat seats fuel jet plane revenue nautical mile by zkpilot May 22, 2011 add a video
1.	casm
	acronym for Crazy Asian Styling Mofo. Usually used as a noun, by substituting Mofo for Mophonic, forming a verb Driving 50km over the speed limit while cutting your cronic on your lap with a machete? You CASM! or Jo, ja c da casmic rims on dat beast! or flamo, you are a deadset casm buy casm mugs & shirts by Djoe Apr 6, 2004 add a video