A human being, as said by Plato, until Diogenes "persuaded" him into changing it to a featherless biped with broad, flat nails.
Plato said that a human was a featherless biped.
In response, Diogenes plucked a chicken and gave it to Plato, saying "Here is Plato's man!"
Plato then changed it to featherless biped with broad, flat nails
This word's exact definition is when a monkey does a sick kick flip but breaks his leg sending him into a 30 year coma that leaves his family devastated as they are forced to pull the plug.
Johnny: Man. It's so sad that that monkey at the zoo did a bipedalanimupvertbutruptspedandismitemtrisifrannlongusomnusandamembrumtractbio.
Mark: Yeah. I cried for hours after I saw that on the news!