What is [dsp]?
An acronym meaning Designated Sober Person. It is that person at a party who for whatever reason isn't drinking. It is the person who takes care of the people who are totally gone.
Person 1:"I heard last night was pretty crazy. Do you even remember much of it?"
Person 2:"Yea, I was the
DSP. I sure had to take care of a lot of people last night."