Someone who is a complete cunt that you want to call out for being such, but you don't want to attract the unwanted attention of others around who may not be so accepting of naughty language.
*One office collogue to another*
"You know, that Michael guy they hired last month is kind of a spall bag"a
"You know, that Michael guy they hired last month is kind of a spall bag"a
by Big Black Jack 77 June 9, 2023