soother cock

A one-off (possibly anonymous) sexual encounter between two people for the sole purpose of mutual stress/anxiety relief, especially in the context of parties or kink-oriented social gatherings.

Person 1: "Dude, the idea of losing my job has been driving me nuts the last week or two."
Person 2: "You want some soother cock?"
Person 1: "Fuck yeah, I was hoping someone would ask me!"