The Tory one in 2008 was completely knocked sideways by the banking collapse, for instance, but Cameron could at least grab that bull by the horns and make impromptu speeches about it. (politics.co.uk)
A few gave impromptu speeches in support of the teachers, who took a day off work to attend the Colorado Education Association's annual Lobby Day. (asumag.com)
From a table topics box we deliver impromptu speeches 2 to 3 minutes long. (alainguillot.com)