Brown Maui 

A bowel movement so large and unconsolidated that it fills up the bottom of a toilet and crests above the surface of the water, forming what appears to be an island.

I shouldn't have had that second burrito last night, this morning I left a Brown Maui at the hotel.

Brown Maui by geodude1234 October 27, 2010

brownmail 

when a mexican blackmails you

Damn, Gonzalez just brownmailed me

brownmail by fuucckklyfe January 29, 2016