His imitation of the British fighting World War II before the Americans came along. Like so:
Get the tanks out, get the — we haven't got any tanks, then get that ice cream van out there. Get that out there... [points] Kill! Oh, fuck it — [mimes making and throwing ice cream cones] ...fuck off... everything! Just throw everything at them! Just... that's not... harder! Orange fruities — Zooms! Throw the Zooms! Fuck off, you bastards... pots and pans, get pots — just throw the pots and pans at them!