Susie Dent was inundated with replies after sharing her word of the day.The Countdown favourite was branded "beyond brilliant" for her latest choice, shared with her 494,000 Twitter followers.The 55-year-old was deemed to have her "finger on the pulse" and was soon trending on the micro-blogging site.Many took her explanation of the 16th century word mumpsimus as a reaction to the news about political strategist, Dominic Cummings.It comes after the 48-year-old found himself at the centre of a national row regarding an alleged breach of coronavirus lockdown rules in March.The Prime Minister Boris Johnson’s chief aide has been accused of driving from London to Durham at the height of lockdown restrictions in breach of lockdown rules.Dent.