The Brief: A vaxhole is someone who brags about receiving their Covid-19 vaccination.

DEEP DIVE
A vaxhole is an individual who brags about being completely vaccinated against the Covid-19 virus, according to Urban Dictionary.
This phrase is a play on the word *sshole.
Not to be a vaxhole but I get my second dose in 12 days pic.twitter.com/qmKGbMeO3R
— gia marino (@marino_gia) April 1, 2021