comes from the acronym W.A.F.U. which stands for "Women Are Fucked Up" the condition that universally applies to all females, and is the only explanation needed to make sense of any illogical or otherwise insane behavior they frequently exhibit.
Dave: So yeah, my girlfriend broke up with me, and now shes back with her ex who beats her.
Frank: Wafu man, wafu.
Acronym used in the Royal Navy to refer to members of the Fleet Air Arm, stands for Wet And Fucking Useless.
Stems from the belief members of the FAA do very little work.
Those WAFUs are having another brew, do they ever do anywork?