The act of repeating something someone just said in the first person and adding "once" to the end of it.
PERSON A: Hey, I found a penny.
PERSON B (Lopano Joke): I found a penny once.
PERSON A: I think she killed the spider.
PERSON B (Lopano Joke): I killed a spider once.
PERSON A: Imagine if you just died, right now.
PERSON B (Lopano Joke): I died once.
PERSON B (Lopano Joke): I found a penny once.
PERSON A: I think she killed the spider.
PERSON B (Lopano Joke): I killed a spider once.
PERSON A: Imagine if you just died, right now.
PERSON B (Lopano Joke): I died once.
by Silent Chicken May 3, 2009

by Pinokio July 13, 2015

A joke that is strictly for the eyes and/or ears of the male gender. Usually referring about something extremely sexual, or outlandishly disgusting.
A prime man Joke would take place in a locker room, or a man cave and might sound like, "Girls in pornos... Are just better."
by Larrold Shlokov Johanssen February 18, 2010

A joke that causes more distress than joy from the recipients of the joke. The person who says the joke will usually start laughing in an unbearable lil' giggle that will cause even more pain to the listeners
JoStar: "Why does an asteroid taste better than a comet?"
Innocent bystander 1: "Why?"
JoStar: "because its a little meteor!"
Innocent bystander 2: "That is such a JoStar joke bruh."
Innocent bystander 3: "I will end you."
JoStar: *giggling like a little beech*
Innocent bystander 1: "Why?"
JoStar: "because its a little meteor!"
Innocent bystander 2: "That is such a JoStar joke bruh."
Innocent bystander 3: "I will end you."
JoStar: *giggling like a little beech*
by Aim For North August 22, 2022

by The man of blood and death November 18, 2018

A joke that causes immediate, negative real-world consequences for the jokee and, in some instances, the joker.
Phil: "Tim, seriously, stop paddling backwards right now. We're about to get sucked into that forty foot waterfall. Please paddle forwards immediately. We seriously need to get away from this forty foot waterfall."
*Tim continues backpaddling*
Phil: "Tim, seriously, what the $(&#$ are you doing??!!"
Tim: *continues paddling* "REALITY JOKE!!!!!!!"
*Tim continues backpaddling*
Phil: "Tim, seriously, what the $(&#$ are you doing??!!"
Tim: *continues paddling* "REALITY JOKE!!!!!!!"
by Garfoose June 20, 2015

msnake, mnet, mbullshit, mjoke & mclownery
by guess who I am!!! May 13, 2021
