fizz up
To effervesce or bubble. A: "Oops, I dropped the soda." B: "Well, don't open it now, or it'll really fizz up."
fizz up
[for a liquid] to sparkle and bubble with many tiny bubbles; [for a liquid] to effervesce. The cola drink fizzed up and spilled over. As she poured the root beer, it fizzed up over the glass.