The phrase "at every chance someone gets" means that a person takes advantage of every opportunity they can to do something. It implies that the person is proactive and seizes every opportunity that comes their way.
Sentences with «at every chance someone get»
I have mine set up in my bedroom, as I love looking at them every chance I get! (theinspiredroom.net)
Instead, they relentlessly react at every chance they get. (inc.com)
Such a rich resource on the subject and great to see someone from your industry not pushing pills at every chance they get. (kellybroganmd.com)