Can you burn a 1000 calories in hour lifting weights?
No sorry buddy but weight lifting beside being an important component for achieving the body you desire it is not the most efficient way to burn calorie immediately.
the only activities i see capable of burning such a huge number of calories are :
1- Jump roping if you can keep a medium pace for an entire hour which damn hard and if you can pull you are a beast men
2- do 670 burpeens in 1 hour which is arround 11 burpees per mint , since burpees burn arround 1.5 calorie per rep you will burn a thousand calorie but dont get me wrong this a very tough task even for the most fit indivdual
if you ask me i would recommend 1 hour of jogging which will burn 600 calories and it is much easier and just cut the rest of calories from your diet.