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.
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"