Top definition
A smudgy mermaid is a female version of the comical practical joke of tea bagging.

A fudgy smudgy mermaid is where the woman in question has wiped ass to V then performed said act.
Jake: Hey liam, mercer was so horny last night she gave me a smudgy mermaid.
by Chuck_beaver February 11, 2011
Happy St. Patties Day!