Expression of Neapolitan exclamation addressed to the Virgin Mary of Carmel. Maronn o Carmn = Oh my God!
A: Je pigghiat cinchcent eur alla schedina! (I won five hundred euros with a ticket)
B: Maronn o Carmn! (Oh my God!)
B: Maronn o Carmn! (Oh my God!)
by cognigno66 November 22, 2021
Get the Maronn o carmnmug. 
It's the letter O. I'm assuming you are Procrastinating, as there is probably no other reason you are searching for this.
O.
by That_Annoying_Sniper February 5, 2020
Get the Omug. The machine used to create the national debt and by design was invented to punch through the debt ceiling with impunity.
"Dude - I thought it was Congress and the President making us broke. I came to find out it is the debt-o-matic device invented by our large number of entitled citizens!! Man, what a team . . .
by Contracts God December 18, 2012
Get the debt-o-maticmug. 
Someone who persistently hounds your actions to gain an advantage but does nothing once he obtains it.
by RMatrix September 14, 2021
Get the Jack-o-lardmug. by R-E February 28, 2009
Get the O Dieselmug.