1 definition by Sarah Blanster Foster

Top Definition
The state of being extremely professional in appearance and behavior. A person that is dressed or behaving threefessional is a person who is exhibiting a courteous, conscientious, professional, and typically businesslike manner in whatever it is they are doing.
OMG, did you see that girl giving her presentation? She definitely looked threefessionals.
by Sarah Blanster Foster March 17, 2011

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