An insult to someones mom or guardian or just to make someone feel bad.
your mom is so fat she doesn't need internet because she is world wide.
A whale. A cow, perchance. 500+ lbs. at the very minimum.
Billy: Yo Briana what you doing tonight
Briana: Your mom
Billy: Wait what?
Guy 1: Hey!
Guy 2: Your mom.
Guy 1: not funny + didnt laugh + ratio