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1. ugly ass
Everybody's got one and most of them stink.
Put on some clothes, bitch! Don't nobody wanna see duh cottage chesse on yo' ugly ass.
2. ugly ass
Something that is very ugly.
Look at that ugly ass baby over there.
3. ugly ass
Phrase popularized by O.J. Simpson, indicating that an item is so hideous in appearance that it would be too repulsed to use it even while committing a double-murder.
O.J. Simpson, at a deposition, when confronted with a pair of Bruno Magli shoes that matched his shoe-size and whose distinctive footprints were found at a murder scene:

"I wouldn't wear that ugly ass shoe."
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