Giggerman Share definition Flag Police,Authority..etc.Common prison "Slang" used among most convicts. Police,Detention Officer,Correctional Officer..The Popo,Big cheese,Five-O,The Fuzz,Piggs.I.E."Look out for the giggerman while I roll a Joint Giggerman by Juggalokero June 26, 2009 0 0 Get merch Get the Giggerman mug. Buy Now — $32.95 See more merch