ROM

Meaning 1	Emulator game
Popularity
Description	ROM technically stands for "read-only memory," but it most often refers to games played with software that emulates a game console system, such as a Nintendo, PlayStation, or other console; gets the name "ROM" because the file is an exact replica of the memory on the original cartridge.
Example	"I found a huge archive of NES ROMs online today."

Common Uses	✓ General (Online and Offline)✓ Online Gaming✓ Web Forums
Updated: February 10, 2012

Meaning 2	Rough order of magnitude
Popularity
Description	Refers to a rough estimate for how much work is required to get a task complete; used in business project management settings; also see LOE.
Example	"Our client wants the project ROM by COB today."

Common Uses	✓ General (Online and Offline)
Updated: March 25, 2011

ROFLUSA - Rolling on floor laughing until sides ache

ROLF - Rolling on laughing floor

ROLMBO - Rolling over laughing my butt off

ROM - Emulator game

ROTF - Rolling on the floor

ROTFL - Rolling on the floor laughing

ROTFLH - Rolling on the floor laughing hysterically