The Collaborative International Dictionary of English v.0.48:

Garboil \Gar"boil\, n. [OF. garbouil; cf. Sp. garbullo, It.
   garbuglio; of uncertain origin; the last part is perh. fr. L.
   bullire to boil, E. boil.]
   Tumult; disturbance; disorder. [Obs.] --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

garboil
    n 1: a state of commotion and noise and confusion [syn:
         tumult, tumultuousness, uproar, garboil]