To either put off actingprimitive, or neglect your obligatory diligence due to indulging in your less-refined tendencies.
I wanted to really ham it up in front of my similarly-crude-minded buddies, but a dignified lady happened by to chat, so I procrasstinated till she'd left so an not to offend her.
Time wasting with intent to avoid necessary action. Typically verbalised by those with access to success yet a predisposition towards failure i.e. work-shy students approaching coursework deadlines.
"Are you doing that coursework for tomorrow?"
"No, I decided to put a definition of procrastination on Urban Dictionary instead."