a butthole that looks like puckered lips when someone just ate sour candy.
"That cat has a sourmouth."
di Don'L 02 ottobre 2005
A person that cannot carry on a conversation with the use of one or more curse words in every scentence.
Sara was known for her intellect. But she was also known for her Sour Mouth.
di Peter Stiffins 16 aprile 2015