Top definition
Undyne is a badass woman who can flex a rock for no reason!
by Undertale Flowey December 24, 2015
Get the undyne neck gaiter and mug.
Aug 10 Word of the Day
Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.
It's nice out and the city is filthy. Let's go plogging!
by Another damn hippie. May 09, 2018
Get a Plogging mug for your dad José.
4
Species: Fish
The captain of the Royal Guard in the indie game, UnderTale.
Is lesbian and has a crush on the Royal Scientist Alphys.

SPOILER ALERT!
Fights with spears. Her goals are to take your soul and to set the monsters free.
Extremely powerful, can change your soul into a Green color, giving you a spear to block her own attacks.

Will transform into Undyne the Undying on a Genocide Route.
I, Undyne, will strike you down!
by Professor Atomix March 21, 2021
Get a Undyne mug for your cousin Riley.
5
A fish with a spear that appeared in 2015's Undertale. He can be encountered in Waterfall.

Also its a she and she burned her house down just to teach frisk how to cook a spaghetti
Undyne:SCREW IT!WHY SHOULD I TELL THAT STORYWHEN YOU'RE ABOUT TO DIE!?!NGAAAAAHHHHHHHHHHHHHHHHH!

Undyne is a fish boi... with a spear
Get a Undyne mug for your mate Paul.