Back in the day, agricultural implements were a fashion statement. With this in mind, a "fat ho" is just a stylin' hoe that all your neighboring farm buddies down the road wish they had.
"Yo, balla, that fat ho is tight. When you done wit it, whyon't you hook me up? I got my radish garden to tend to, 'g'.
A creature similar to a woman in that she is able to produce small humaoid creatures when mated with a drunken male. The drunkenness is a vital part of this procedure as this creature would not normally be approached for reasons other than curiosity.
Used in a sentence: Dat po dude got crunk and hooked up wit dat fat ho. Now he hu baby daddy.