Gaudy is an adjective as well as a noun, i.e., it modifies the noun or could be the subject of a sentence.
1. Something that is extremely bright in a tasteless manner; not pleasing to the eyes (adjective)
2. Celebratory dinner for college alumni and for old members.
Usage example 1:
Her gaudy clothes caught everyone’s attention at the party.
Usage example 2:
The ex-students were very excited to attend their college’s annual gaudy.
There are no more Elizabeth Taylors. You could be fascinated by her, she lived so many lives, she lived far, she loved the jewels; she had gaudy taste but she had extraordinary talent.Andre Leon Talley