WLAF en · PROPN Meanings (abbreviation, alt-of, initialism) Initialism of World League of American Football. alt of World League of American Football Scenarios were floated that the CFL and WLAF would merge or that the CFL would revert to a fall schedule and become a farm league for the NFL. 2005, Steve O'Brien, The Canadian Football League, →ISBN: Relateds XFL · AFL · LFL · USFL · NFL