Lol, def a fuck up, but ah could have been worse, like one of my flowering girls ORR I had just moved bigger veggire from under there and it prob would have killed them now that would have ruined a good 2-3 months in the making shit....I'm gonna call this one Fiffing'; the Fuck It Fell method.
I have personally topped halfway down a happy healthy 1 meter tall mother plant because it was too big and guess what... it is still a very happy healthy mother plant! It had the hole in the stem too. Dont worry.I dunno I disagree with all the postive remarks. There is broke off top and it will have air rushing down it, not good. Not to mention the disease's that could set in. Best of luck.
I have snaped a One meter plant before, but never in two. I just used duct tape and sticks to hold up.I have personally topped halfway down a happy healthy 1 meter tall mother plant because it was too big and guess what... it is still a very happy healthy mother plant! It had the hole in the stem too. Dont worry.
Look after it as you normally would and shell be fine