Resi-vi, the act of doing revision/homework as commonly refered to amongst the chav population (homo-mandemos). However it can be used by regualar people in the form of text language or a spoke abreviation. Dispite this though, it originates from overuse by chavs.
Nigel: Ohhh mandem gonna do some sick resi-vi tonight?
Melvin: Nah bruv, I is ironing my hench adidas tracksuit, innit famalam!