Labour has branded Scots Tory leader Douglas Ross politically impotent by claiming he suffers from “electoral dysfunction”.
A new attack advert released by the party mocks him as a flop with voters, saying: “Douglas can’t get it up.”
A recent Ipsos poll found Ross with poor public satisfaction levels compared to other leaders.
Scottish Labour chief Anas Sarwar had a net rating of plus seven while SNP leader Humza Yousaf was on minus nine.
Ross, who took over from Ruth Davidson, trailed badly on minus 25.
The same poll found the Scottish Tories in third place on 17 per cent, as did a larger snapshot by YouGov which also saw Labour easily leapfrogging the Conservatives.
Ross’ party also came third at the local council election.
A Scottish Labour spokesperson said: “Douglas Ross and the Tories are a party suffering from a severe case of electoral dysfunction.”
However, the advert has sparked a backlash. Susan Dalgety, a former Scottish Labour spin doctor, tweeted: "It’s embarrassing. End of."
Martin Lennon, a Labour councillor in South Lanarkshire, responded: "This is disgustingly bad taste."
Ross was heavily criticised last year for flip flopping on the future of Boris Johnson during partygate.
He initially called for Johnson to quit as Prime Minister before changing his mind and reversing his stance again.
He also sparked a backlash when his supporters appeared to endorse a strategy of backing Labour in some seats at the next general election.
The controversial approach was ditched after the UK Conservatives poured cold water on it.
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