Merpadoodle 

A person who can continuously annoy anyone by asking stupid questions and/or doing stupid things. They think they know it all and they can sometimes be funny. Usually have blonde hair or red hair.

Bob is such a merpadoodle. He just tried to do a backflip off the trash can, it tipped over and he fell and hit his head.

Merpadoodle by Insanitydreamer September 14, 2014

meladoodle 

The current Queen of Tumblr Textposts. Known for her massive dong.

Friend 1: "Damn son, check out this funny textpost"
Friend 2: "Oh that's a Meladoodle"
Friend 1: "Hoo dat"

meladoodle by clivepalmer September 13, 2013

Merpadoodlesaurus 

A person or thing that spreads happiness to others around them

John over there is a merpadoodlesaurus

Merpadoodlesaurus by Expression of happiness June 14, 2014

mergadoodle 

This word, created by Teni Amos, can and should be used to replace ugh and all other words corresponding to ugh.

Crap! I didn't study.... Mergadoodle!

mergadoodle by tatia November 29, 2010

Mergadoodle 

A slang term meaning "ugh" or "oh s**t"

Lydia: "Did you do your term paper last night Teni?"
Teni: "OH MERGADOODLE"

Mergadoodle by Hollatothat November 29, 2010