Something so funny that you roll on the floor laughing at something that happened to someone else. Specifically something that is such an absolute fail it is deemed womp worthy.
(After his first one night stand) Bro- Dude she texted me saying that she got the pill and is erasing my number...
*roflwomp*
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.