The Kentucky Democratic Party on Wednesday launched a “Moscow Mitch” online store, making use of a nickname handed to Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellThe Hill's 12:30 Report: Sanders's momentum puts Democrats on edge House Freedom Caucus chairman endorses Collins's Georgia Senate bid This week: House to vote on legislation to make lynching a federal hate crime MORE (R-Ky.) over his blocking of election security legislation.

The party’s online store is promoting red buttons, vinyl stickers, a T-shirt and a cossack hat, all decorated with the phrase, “Just say nyet! to Moscow Mitch,” in Soviet-style lettering.

The nickname comes after McConnell last week blocked two election security bills, despite warnings from intelligence officials and former special counsel Robert MuellerRobert (Bob) Swan MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE that Russian interference in the 2020 election was likely to take place.

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One of the bills would require the use of paper ballots, and the other would require candidates, campaigns or family members to notify the FBI about assistance offers from foreign governments.

The majority leader's move prompted widespread backlash. 

MSNBC host and former GOP congressman Joe ScarboroughCharles (Joe) Joseph ScarboroughScarborough: Time for Warren, Klobuchar to drop out 'to help consolidate efforts' against Sanders Scarborough: Sanders, Trump two big winners last night Scarborough blasts Trump pardons, says 'political hacks' and 'co-conspirators' will be next MORE later called McConnell’s actions “un-American,” labeling the Kentucky lawmaker “Moscow Mitch” and accusing him of "aiding and abetting Vladimir PutinVladimir Vladimirovich PutinBloomberg rips Sanders over Castro comments Glenn Greenwald: Interference from the national intelligence community is more dangerous than whatever Putin may be trying online Sanders: 'Unfair to simply say everything is bad' in Cuba under Castro MORE’s ongoing attempts to subvert American democracy.”

The hashtag #MoscowMitch quickly took off on social media, and several other hashtags and phrases, including #MoscowMitchMcTreason and “Mitch McConnell is a Russian” have trended on Twitter after the senator defended his decision to block the bills.

McConnell hit back on Monday, comparing the attacks against him to “modern-day McCarthyism” and blasting critics for using “unhinged smears.”

“These theatrical requests happen all the time here on the Senate. I promise that nobody involved, including my friend the Democratic leader who made the request, actually thought he’d get a Republican Senate to instantly, unanimously pass a bill that got one Republican vote over in the House,” McConnell said from the Senate floor. 

“It doesn’t make Republicans traitors or un-American. It makes us policymakers with a different opinion,” he added.

McConnell's campaign appropriated the nickname on Tuesday for a drink recommendation mocking Democrats ahead of their presidential primary debate:

The Hill has reached out to McConnell's office for further comment.