n thumb-tack. A pin with a fairly large flat head. So called because they were once used to draw blood during satanic rituals. I just guessed that one, it might be wrong.
A poorly-researched dictionary of British Slang words and phrases, written by some guy off the internet.
n thumb-tack. A pin with a fairly large flat head. So called because they were once used to draw blood during satanic rituals. I just guessed that one, it might be wrong.