DuckCorp Dico

Found one definition

1.                 From English - Polish Piotrowski+Saloni/FreeDict dictionary ver. 0.2:
                   
   
   
                   
                     
   flea /fli:/
   I.  <N>  pchła
   II.  <Adj> 1.  a. pchli
    b.
         "pchli targ"  - flea market
    2.  send sb off with a flea in his/her ear (send V: NPRO :off :with :a :flea :in PROPOSS :ear)
    - nagadać komuś głupot