lol-ing all over myself
To actually "lol" so hard, that you make a (rather embarassing) mess.
Keizra: I'm totally lol-ing all over myself.
Jess: Do you want me to get the shamwow? It'll have you saying Sham-WOW.
Jess: Do you want me to get the shamwow? It'll have you saying Sham-WOW.