"Bust a nut"
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No way in hell that in a room full of men no one knows what that means.
No one was brave enough to say it aloud.
Generally, in work I try to give the benefit of doubt in situations like this - I don't want to be the one explaining sounding when someone uses the term about something else
I once had to explain skat to my boss
Everyone in that room knew but OP's dad.