gussy

[ guhs-ee ]
/ ˈgʌs i /
Informal.

verb (used with object), gus·sied, gus·sy·ing.

to enhance the attractiveness of in a gimmicky, showy manner (usually followed by up): a room gussied up with mirrors and lights.

verb (used without object), gus·sied, gus·sy·ing.

to dress in one's best clothes (usually followed by up): to gussy up for the ball.

Origin of gussy

First recorded in 1935–40; of obscure origin

British Dictionary definitions for gussy up

gussy up
/ (ˈɡʌsɪ) /

verb -sies, -sying or -sied (tr, adverb)

slang, mainly US to give (a person or thing) a smarter or more interesting appearance

Word Origin for gussy up

C20: probably from the name Gussie, diminutive of Augusta