Effervesce

(v. i.) To be in a state of natural ebullition; to bubble and hiss, as fermenting liquors, or any fluid, when some part escapes in a gaseous form.

Effervesce - Other Definitions

(v. i.) To be in a state of natural ebullition; to bubble and hiss, as fermenting liquors, or any fluid, when some part escapes in a gaseous form.
(v. i.) To exhibit, in lively natural expression, feelings that can not be repressed or concealed; as, to effervesce with joy or merriment.