Someone with an
arrogant disregard for rules which they think
don't apply to them, or dismisses objections to unfair or privileged behaviour. Generally marking someone as a twat who considers themselves
special, or is surprised when it turns out they are not and the rules do apply to them.
Derivation of Dominic Cummings.
"Well I've been seeing my mates all the time during
lockdown."
"You're a cummings."
"
Kirsty parks wherever she likes just because she can afford the fines, she's gonna be so shocked when her car gets towed, it's such cummings behaviour."
"I'm gonna need a visa to go to Spain! It's so unfair, I was going to retire there."
"You voted for
Brexit, what did you expect? Cummings."