A spoonerism for "ugly sisters." Originally referring to the characters in Cinderella, this fun little phrase can be brought out whenever you have to refer to a friend or loved one's less than charming female siblings.
1. (usage for a lover) "Oh Crap, I promised Bob I'd spend Christmas with him, but I didn't realize his Sisty Uglers would be there too."
2. (Usage for a friend) "Jane, you know I think you're awesome, but your effin Sisty Uglers always give me attitude."
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug