a phenomenon resulting when kids come back to school on a monday with haircuts such as buzzcuts, lawnmower cuts, and other unsightly hair cuts. the best way it has been described is that boys get together on the weekends and cut eachothers hair with lawnmowers.
The practice of drinking and partying the entire weekend. Starting with after work/school/lecture drinks and continuing throughout the weekend. Sole purpose is to indulge in a lifestyle worthy of a rockstar of the old days: party, booze, bbq, Bacon, etc.
This includes the sacred ritual of a beereals-breakfast and kicking off the day with booze.