The TVTropes Trope Finder is where you can come to ask questions like "Do we have this one?" and "What's the trope about...?" Trying to rediscover a long lost show or other medium but need a little help? Head to Media Finder and try your luck there. Want to propose a new trope? You should be over at the Trope Launch Pad.
Chariset
Since: Jan, 2001
2011-04-20 22:18:43
Ass Pull should cover it, or it may be one of the tropes listed under Twist Ending

I'm looking for the name of a particular kind of cop-out ending, a kind of cross between plothole, anticlimax and wallbanger.
For example: B-Movie, at then end of the film - just as it seems hopeless for the hero - the giant laser gun built by the evil and competent-until-now female scientist explodes for no plot-explained reason except that women are bad at science (God bless the 1950s)