hyhy

"hyhy" is starting to emerge as a substitution for "hehe" or all "lol"s or "rotfl"s.

A: <a good joke>
B: hyhy
A: Yup, it's soo funny.

by Flack February 24, 2004

HYHY

Hell Yeah Hell Yeah

The kid: "Yoo my dude, you tryin to creep on some hoes?
My dude: "HYHY"

by C. Master June 09, 2012