the fourth degree of roughness in the scale:

minger, mingerola, semi-conga, momma-conga

with 'minger' being a 1 on the scale of roughness, and momma-conga being a 4. Thus, momma-conga is the worst, and is saved for the truly reprehensible specimens.
"You're plumbing the depths tonight, Matt. That bird is a momma-conga!"
"I know. I'me desperate."
by SusieQ October 31, 2006
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