Shower drinking is where you grab a cold beer to drink in the shower while getting ready to go out drinking for the night. It's an alcoholics way to multi-task.
Heather snagged a ice cold Bud Light on her way to the shower so she could get her pre-drink on by shower drinking before a night of drinking and sex with random dudes.
Play on the acronym SUV. SDV is an acronym for "Social Darwinist Vehicle"
Fuck the environment, I'm at the top of the food chain so I'm allowed to drive a SDV.