I saw that, that was so bad suffocation from helium doesn't sound fun, atleast they had sex b4 they died though. The chinese couple didnt even get to do it, they both had a heart attack when they tried.
I think it would roll over you if you were unable to stop it, and that probably wouldn't result in it squishing you. All depends how much it weighs, really.
I don't think it has the capability to squish you. Although hitting it would be hard, and if you were to hit it wrong I'm sure you could break a bone or two.