Noun. Flak, guff, or otherwise unsolicited criticism or chiding given from one person to another. Usually used as an object noun.
Ex. She gave me gaudi for hours after I embarassed her.
When something is 'gaudi', it usually means that something is positive and generally pleasing.
'yeh mans went down to the local nursery, some bare gaudi chicks there'
'this chicken is gaudi'