ROFTMP 

Rolling On the Floor Touching My Penis

When she sexted me her picture I was ROFTMP.

ROFTMP by Kibosh March 29, 2009

ROFPMPL 

Rolling On Floor Pissing My Pants Laughing

Joser: "Hey bitches my scalp itches"
Mento: lol
Fernando: "ROFPMPL"
Joser: "WTF?"

ROFPMPL by xX John johnsonXx April 29, 2009

roflmpo 

Rolling On the Floor Laughing My Pants Off

Something is so hysterical it deserves more than a simple "rofl" or "lol".

(Someone says something completely hilarious)
**ROFLMPO**

roflmpo by laughingoutloudlol September 30, 2010

ROFPMP 

Describing your reaction to something that was (indeed) very funny and made you feel all giggly. Beware of excessive use!

Translates: Rolling on Floor Peeing My pants

Sofie: Watch A Very Potter Sequel, act 6

5 minutes later:

Me: ROFPMP

ROFPMP by RandomlyShouting August 18, 2010

ROFPMPLMFAO

Basically, Rolling On the Floor, Pissing My Pants, Laughing My Ass Off :)
can be literally done
will one day, take over lol....one day

A:"i just stabbed myself in the eye with a pencil
B:"ROFPMPLMFAO"

ROFPMPLMFAO by poopfaceshitland March 7, 2009