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1 definition by Brent Zeez

To look at someone through a mirror. Preferrably that person be showering. This refers to the famous substitute teacher/little league baseball coach, Doc Fuss. Doc Fuss was famous for watching young kids shower after gym class by looking at the children through mirrors.
"Hey I'm Doc Fussin' you!"
"you sick bastard."
by Brent Zeez April 21, 2006