"Whoa ..."
Update: 7th October 1998
"Whoa, Bundy!" [209, 420, 503, 520]
"Whoa, aliens!" [507]
"Whoa, money!" [520]
"Whoa, born!" [605]
"Whoa, cable!" [609] ?
"Whoa, stealing old ladies' pension!" [618]
"Whoa, England!" [624]
Thanks to Marriedaniac (Australia) and Andreas Carl (Switzerland).