This is used when describing a (usually smaller women with little physical presence but who stands resolute towards most things....sort of a like a bullheaded man.) So it is believed they must have a dick somewhere under there....so Mahog (Muh-hog) is a derivative of Mahogany implying she has a huge black dick; wears the pants...ect...ect.
You better watch out for David's mom she's got a mahog like no other. She'll whip it out and beat you with it.
by Onas November 02, 2010