fos·sick 
(fŏsĭk)
(fŏsĭk)v. fos·sicked, fos·sick·ing, fos·sicks
Australian
Australian
v.intr.
1. To search for gold, especially by reworking washings or waste piles.
2. To rummage or search around, especially for a possible profit.
v.tr.
To search for by or as if by rummaging.
[English dialectal, to find out, dig up.]
fossick·er n.