When a woman you met on the internet finally has about 30 minutes of time when her roommates are gone and has been promising to get you off, but she does not have time for sex.
Nick: "Hey Rachel want to come over and watch HBO?"
Rachel: "Only if you have a big dick"
Nick: "What? We're watching HBO.."
Rachel"It's HBO GO and Blow so I'm giving you a blowjob"