hey, check out those bumbly vcc idiots, should we rescue them?  nah, let's climb behind them and steal their gear
an inexperienced rock climber out for the weekend, most probably a product of a local climbing club (vcc) weekend course
"hey, check out those bumbly vcc idiots, should we rescue them?  nah, let's climb behind them and steal their gear" What is the definition of "bumbly"?