Formerly meant as the action of sitting on a chair and breaking it due to extreme obesity, it has recently come to mean defecating on a chair (most likely due to extreme inebriation) and then admitting to it publicly with no shame.

Either way, no one will be using that chair after you.
"So it turns out j may have gotten do drunk last night that I did a massive poo on the living room chair hitch I'm now having to clean up after a massive argument . I font geek so good."

"Looks like you really did a Mowgli there!"
by Jock O'Tubby January 28, 2012
Get the Did a Mowgli mug.