When you say or type "ha" the general understanding
is that you "had a little laugh", because
the joke wasn't any good or interesting, but the actual thing that is
in your mind when saying or typing it is "how annoying..." ("ha" is used as acronym)
Teenager:Oh, man you just gotta see my supersweet and funny CrAzY FrOg TOY!
*plays on* - "
RING DING DING DING DING
BAW BAW RING BEE BEE BO POW POW
WHA WHA"
Person 1: ha...