the act of going in to give somebody a hi-five, but instead you you make your hand go limp and yell out "Dead Fish!"
caution, this can be very emotional for some, and can cause some misunderstandingbetween friends.
Derived from the obvious lack of enthusiasm and energy of a dead fish caught out of water, being or feeling like a dead fish simply means that you just want to crash in bed and hibernate until you regain your energy and are capable of performing basic functions. Until then, you are a dead fish.
(verb) The condition of one's limbs going limp, causing one to spontaneously fall to the ground from a standing upright position, as a dead fish would. This action follows someone directing the command "dead fish" towards an unsuspecting victim. The goal is to make the "dead fish" feel as awkward and embarassed as humanly possible.
"Wow, KMo just got dead fished in front of the entire boys' soccer team. She looks like an idiot."
"I just got dead fished in front of the entire mens' lacrosse team. I'm going to gokill myself now"