The term "on the gas" is to used to describe a person or persons who are currently or have been, drinkingalcohol.
Dave: "Hey man, what did you get up too in the weekend?"
Mike: "Oh, me and a few mates when down to the local bar and got on the gas, Saturday night."
Dave: "So, a quiet one on Sunday then?"
Mike: "Yep, you could say that."
The starting pitcher gave up a run in the 6th inning, giving the other team the lead. The relief pitcher came in and threw gas on the fire, giving up more hits and walks, and eventually a run.
An expression (traced to the skateboarding community of the early 1990's in Syracuse, NY) expressing the possession of particularly unattractive facial features.
Sam: Are you gonna call up that girl you met yesterday?
A-dog: Nah son, she had mad gas on the grill.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.