on a roll

Perhaps the celebratory champagne had gone straight to his head, but the Northern Irishman was on a roll.

England are on a roll, having won the last 13 meetings between the sides, with Canada's last win coming in Salt Lake City just over nine years ago.

Frank Gehry is still on a roll here.

Sir Ed said the party was "on a roll in Wales" after the last general election, adding the party was hoping for new results under the new electoral system.

Vladimir Putin is on a roll the past few weeks.