1. When you are so addicted, you're jonesing for a sweet, carbonated, caffeinated beverage that bubbles sweetly down your throat and finally getting one is ecstacy.
2. You're in the middle of hot sex and all you can think about is drinking a soda.
That first diet Pepsi in the morning gives me a sodagasm.
I poured soda on his dick and then sucked it off because I was so thirsty and had a sodagasm.
Having or as if having an orgasm from a pair of socks (may or may not be referring to stripy socks). This is usually caused from an acute sock fetish reaction to a particularly liked pair of socks. Sockgasms may be suppressed or even eliminated from exposure to an evil sock monster.
"The blogger that I'm following just got a new pair of stripy socks, and I had major sockgasms"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"