Ted Nugent groped himself while opening a Donald TrumpDonald John TrumpJulián Castro: It's time for House Democrats to 'do something' about Trump Warren: Congress is 'complicit' with Trump 'by failing to act' Sanders to join teachers, auto workers striking in Midwest MORE rally in Michigan on Sunday. 

“I’ve got your blue state right here, baby,” Nugent said, grabbing his crotch. “Black and blue.” 

It was unclear what the rocker meant by the gesture, but Twitter users quickly mocked his comments.