Barclaycard noun a sawn-off shotgun used to shoot doors off their hinges UK From the credit card’s advertising slogan “A Barclaycard gets you anywhere”.
"Barclaycard", a sawn-off, pump-action shotgun with the butt taken off[.] — Andy McNab (writing of the late 1970s/early 80s), ImmediateAction, p. 251, 1995