The hand stamp you get upon entering a club that you know you shouldn't be in but you're battered and have decided dancing and drinking more would be an excellent idea.
Aaaarrgh, the horror, just woke up and realised I went to 'that' club last night.....stamp of shame!! Better get scrubbing!
by Trixie DeBrito August 23, 2012
Get the Stamp of shamemug.