"So bad it's good/funny" movies?

[KManX89]

What are some "so bad it's good/funny" movies? Movies that are so stupid, you can't help but laugh at them? 

Anyways, for me:

• The Room: 'nuf 'sed.
• The Happening: Mainly the infamous "what? No!" and this scene (seriously, WTF talks like that? ) and other el oh el scenes of sheer stupidity.
• Mortal Kombat: Annihilation: lulzworthy editing and fight choreography and so many continuity and logic holes (Sonya is completely muddy after fighting Meleena, but is somehow completely clean in the next shot, what did she take a bath in Raiden's piss?). 

Of course, all 3 movies were in Chris Stuckmann's Hilariocity series.