Human Waterfall 

A man or woman, with such sweaty armpits that they are pouring sweat everywhere. Waterfall effect can be maximized by a light colored shirt.

Watch out, the Human Waterfall is pouring it down again.

Human Waterfall by Pyrokaaa December 9, 2008

Human Piggy Bank

A homeless man in the act of collecting change.

I was walking through the city of San Francisco today and there were human piggy banks all over the streets.

Human Piggy Bank by Kelen Keller July 6, 2010

human trumpet

When my coworker blows viciously into the webs of his or her hands to create the serenading sound of a trumpet.

Hey pal, can you teach me
How to human trumpet?

human trumpet by Dingleberryface6996 May 19, 2014

human amplifier 

human amplifier

When someone takes earbuds and puts them in thier nose then turns it on full volume presses play and opens thier mouth there by amplifying the song through thier head and the human amplifier

Dude1 "hey man the docking station's broke."
Dude2 "it's ok man just get jimmy his mouth is so big he's the best human amplifier

human amplifier by the king 42 April 18, 2014

human scale 

The size, texture and articulation of physical elements that match the size and proportions of human sight and speed.

The design features of traditional main streets are generally of a human scale.

human scale by jsuffs July 7, 2015

Human Centipede Syndrome

A made-up mental disorder made to shit-talk pathological liars with.
Said to somebody who just can't stop bullshitting. Cuz every word from out their mouth is nothin but a damn lie.

"Bro, you got Human Centipede Syndrome or somethin'?? Quit bullshittin' me n' get real!!"

Human Centipede Syndrome by thatwhitenigglet May 2, 2017

Human speed bump 

A Reatarded white trash redneck who doesn’t know how breaks on a car work so therefore leave their car in neutral with no breaks on and get ran over by their own fucking truck

Friend 1. Did you see that damn hick who was tryna work on their truck and got ran right over by the damn thing?

Friend 2. Yeah! Man that bitch was a human speed bump for his truck got ran right over

Human speed bump by Babyniffler December 10, 2018