Tramped Out

When you cant be bothered to make an effort, and get dressed nicely.

Louise: 'Do you want to go for a meal'
Kirsty: 'I can't go in a restaurant like this! Im real Tramped Out'

or

Louise: 'Do you want to go in town?'
Kirsty: 'Yer i will do, but im only going Tramped Out'