DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   bubble up
       v 1: move upwards in bubbles, as from the effect of heating;
            also used metaphorically; "Gases bubbled up from the
            earth"; "Marx's ideas have bubbled up in many places in
            Latin America" [syn: bubble up, intumesce]