Sanctimonious White Boomer

SWB - (North America) A white person identifying with the Baby Boomer generation who interjects their opinion in agreement with the majority in order to appear more righteous than they actually are. This often occurs with liberals discussing matters of race.

*Black guy, to gatekeeper*: You’re denying me entrance to the plane because I’m too late? What about all those other people entering?
*Woman behind black guy*: this seems racist.
*Gatekeeper*: It is.
*Sanctimonious White Boomer, commenting online in agreement with the vast majority of the tweeters)*: those of us reading this will not forget this!