Top Definition
When after performing fellatio the giver proceeds to blow a bubble of ejaculate from their mouth (ala bubblegum) in close proximity to the recipients face until the bubble bursts on each persons face

a tasty icecream common in australian milk bars/ convenience stores
bill and ted were totally gay for each other.
they often partake in the bubble-o-bill

suzie couldn't stand hector's phobia of his cum so she bubble-o-bill'ed him last night
by ed job December 30, 2007
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