1 definition by Jason, RIGHT!
A squealing noise made when one laughs excessively, which makes said person sound like a dolphin. Thus: dolphining.
We made Jessi laugh so hard that she was dolphining it up.
Vanessa made Karli laugh so hard that she somehow managed to start dolphining.
Vanessa made Karli laugh so hard that she somehow managed to start dolphining.
by Jason, RIGHT! April 10, 2010