In reply to Paul R:
Yes - it's a bit of rock and that is the way to get up it. A dyno is generally acknowledged as a legitimate technique in 'climbing'.
In reply to Morgan Woods:
> i get confused too when people say "COME ON!!!!" after they've done something challenging.
Perhaps next time you should approach the person in question and ask them why they chose to say "COME ON", politely drawing attention to the semantic incongruity of the phrase in this circumstance - they may be able to alleviate your confusion.