momback 

a verbal instruction, guiding a driver of a truck/trailer in reverse. Literally meaning, "come on back." Originally from a racist joke about a garbage truck, e.g. What has 4 wheels, 2 legs and goes Momback? (or something like that)

driver: " I can't see the dumpster we gotta pick up. Can u get out and do the Mombacks?"
passenger: NP ... momback, momback, cut the wheel to teh left ... straighten out ... cool ... momback and ur good.
STOP DAMMIT!"

momback by Syntax Police July 18, 2010

Frenigon, HoDeDo and Momback 

Hodedo originated in New York in the rush hour subways. It means, "Hold the door," used when the automatic doors are closing and someone wants to get into the already jam-packed car.

Hododo he shouted as he attempted to get the rest of his body into the jammed subway car.

Frenigon, HoDeDo and Momback by Dr B March 6, 2005

Frenigon, HoDeDo and Momback 

a list of people who you would rather remain anonymous, or a direct reference to bullshit in general.

Last nite, I went out partyin' with Frenigon, HoDeDo & Momback...we all did the Mojo, the Turkey and the Grind, and left our ho's asses nine steps behind!

Frenigon, HoDeDo and Momback by weave November 22, 2003

Mombacity 

the extent of; the degree to which something has spread; the size or scale of something.

I was amazed at the mombacity of the destruction caused by the hurricane.

Mombacity by SuperCool_Dude December 3, 2021

african-monback 

An african american, standing behind a garbage truck, or any vehicle, attempting to inform the driver how far back to drive

Driver, "go back there and tell me when i get close to the dock,''. African-monback behind truck," monback, monback, monback, ok thats good"

african-monback by harley883 August 17, 2010

Mom-back 

a verbal and hand jester to inform someone to back up

when a gentalmen of color steps off the back of a trash truck in an alley and yell's at the driver with a hand signal
"Mom-back,Mom-back"

Mom-back by bigace August 27, 2008

Moback 

Moback is that type of person to overuse the "Red B" emoji and also a person whom is very weak, He is often bad at games and usually clueless and most of the time a unresponsive person (Antisocial).

Guy 1: "Hey you didn't get my last few messages are you there bro?.."
Moback: *Checks message and leaves it*

Guy 2": "C'mon man and know you're there it says you're online"
Moback: ".... gtg"

Moback by JahJayDog June 9, 2018