Fat Johnny

The act or instance of performing standing or sitting coitus in a public "porta-potty" with a full holding tank, to such a degree of roughness that it falls on its side, then continuing the afforementioned coitus laying in the spilled feces, urine, chemicals, and miscellaneous garbage that spilled from the holding tank as the "porta-potty" fell over.

Cletus: Went to the fair yesterday..

Billy-Bob: How was it?
Cletus: Know the bearded lady? Gave'at bitch a fat Johnny by the south exit.
Billy-Bob: Full tank?
Cletus: Full tank. She even ate the chicken wings that fell out.
Billy-Bob: Nice.

Brown Johnnies

Simply, another word for shit.

"Oh, man, I gotta make Brown Johnnies in a hurry!"
Also, if you have the runs, you can say,

"I shouldn't have eaten that hot pocket. I can feel the Runny Johnnies coming."

johnny roll

I big rolled up wad of cash

How much is your jewelry worth? Like, Johnny Rolls.

Dripping Johnny

When a person drops a drink (preferably an alcoholic beverage) on his/her computer.

I did a Dripping Johnny ( when you spill your drink on your computer )

Oh shoot he did a Dripping Johnny ( when you see a person spill a drink on his/her computer )

Johnny juice

Fuck ton of tequila, ice, and whatever juice the bartender prefers.

Fuck me up and give me a Johnny juice.

Johnny Jons

Any type of footwear that you have, or have on

yo, you got your johnny jons so we can go b-ballin

dry johnny

a backwards wet willy; when you put your pinkies in your ears then put them in someones mouth

Danny pissed me off so i gave him a dry johnny.