Drinking a beer while pissing. Done to prevent losing alcohol when you break the seal. "Changing" or "changed" can be used depending on tense.
"Bro, we've only had 4 beers and you're pissing? Hold that shit in longer!"
"Dude, don't worry about it, I'm going to change the oil!"
"Dude, don't worry about it, I'm going to change the oil!"
by GiganticTumor May 01, 2010