Similar to "douchebaggery", means something along the lines of "the act of being a massive cunt". Used when the term "cunt" would be more appropriate than the term "douchebag".
Dennis was annoyed to all hell by the rampant cuntbaggery of most legislators
-A very stupid bitch who never shuts up, which is made worse by the fact that almostnothing she says is useful. A female of this persuasion never realizes this because she swears she's always right, and is more than willing to make a mockery of reality through lies and other manipulative acts in order to further her own nefarious schemes.