What is Rofldotcom?
1.
This is where you tell someone to go when they are being:
A) Stupid in a humorous way.
B) Hilarious
or when someone makes a joke which is extremely amusing.
<Person 1> How many babies does it take to cover a wall?
<Person 2> I dunno. How many?
<Person 1> 1 - if you throw it hard enough.
<Person 2> ROFLdotCOM!!!