shutter man
n.— «When a guy is married to a woman who makes more money than him, he is called a “Shutter Man” because all he has to do in the relationship is close the shutter, or rolling metal door, to the shop. this is equvelant to the american slang “Sugar Momma”…ha ha.» —“Korean is a language” by Shannon Turk in S. Korea Hey, I’m in Korea (Chicago, Illinois) Feb. 4, 2005. (source: Double-Tongued Dictionary)