Netloser Share definition Flag Someone who loses more than half their investment in NLST (Netlist) are by definition a Netloser. Guy 1: Hey guy 2, how much are you down in NLST? Guy 2: Nearly 55%! Guy 1: Damn, must suck being a netloser... Netloser by SSSTREET69 May 29, 2018 Get the Netloser mug.