gussy [guhs-ee] Informal.
verb (used with object), gus·sied, gus·sy·ing.
1. 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.
2. to dress in one's best clothes (usually followed by up): to gussy up for the ball.
Origin: First recorded in 1935–40; of obscure origin
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