Bury it in the fine print or just use a lot of euphemisms during the negotiations.
Tim: "This amount you are offering isn't high enough, if you get what I'm trying to say."
GM: "Well, to be blunt, we are prepared to offer you more, in addition to a more important roll in the bullpen."
Tim: "Better, but this still isn't an offer that's going to bowl me over."
GM: "Just listen to what we have to say, we don't want these negotiations to go up in smoke too early."
Tim: "How about, in addition to my salary, you throw in a couple dozen pounds of high-grade pot?"
GM: "Tim, what the f***?! What happened to the wink-wink-nudge-nudge? There are interns here!"
Tim: "Haha, yeah, sorry dude, I'm so f***ing blazed right now, I have no idea what's going on. Is this Xbox?"
GM: "Final offer. 1 million a year and 500 Doritos Locos Tacos"
Tim: "Cheese or Cool Ranch?"
GM: "Cool Ranch"
Tim: "I'm going to have to think about this. Do you have any Visine?"