Top definition
a stupid person or a goon and a lunitic
together
you are one goonatic you stupid fool!
by somebody you dont know May 02, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
one who subscribes to the unconventional on a daily basis; one who's behavior is always a mystery, as well as, a delight to the beholder.
When Socks slept on the boxes of crackers he was a true goonatic. Not he only thing that was crackers!
by the old bear February 03, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
3
A stupid person, a mixture of a goon and a lunatic
"oh my god you goonatic!"

"he can be such a goonatic!"
by Scott lockhart January 16, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug