Wiktionary
n. A ball of mud.
Usage examples of "mudball".
Their first task was to assemble the columns of fighters behind the line of listening posts, in front of a section manned by the regiment of the Army of the Lord that was led by Earthman Marines newly arrived on the mudball they called Kingdom.
They keep building awkward cities and making abortive attempts to strike off toward other mudballs in their microscopic universe.
Ten of your miserable, gutted mudballs seems little enough recompense for the proof of my point.
So in the end ugly grunts like you have to go down onto these mudballs and take and hold the gnar danged ground.
And, in a way, it was, because no one on this miserable mudball of a planet—including the four-armed pain in the ass glowering at her—had ever heard of the concept of field artillery.
Anyway, Fisher Kleeng's microinstruments finally located an odd little mudball simply crawling with these Wrigglers!