look up any word, like timebomb:
 
1.
A Roflmao Sandwich is where u roll on the floor laghing (roflmao) soo much that u are sick and then u swallow your sick (sandwich)
*ROFLMAO* *BLERRRRR* (puke) * OM NOM NOM* (swallowing puke) = a roflmao sandwich
by JTPARRETT February 09, 2010