monga-tangs 

large breasts or breasts that are large.

damn, check out her monga-tangs.

I would like to motor boat her monga-tangs

If i Had mongas like that-i would never leave the house.

monga-tangs by Ali Turabi August 25, 2006

MONGATANG 

An idiot or person of low IQ that also walks with an monkey style gait

Look at that mongatang he needs a belt and pull his trousers up

or

There is that group of mongatang's hanging outside the shops again

MONGATANG by cromaloop September 5, 2014