"Johnny Got a Boom Boom" is a song by Irish rockabilly musician Imelda May. Written solely by May, the song was released as her debut single, and lead single from her second studio album, Love Tattoo, on 26 January 2009 on Ambassador Records, a sub-label of Universal Music Ireland. The song gained significant popularity in Ireland and the United Kingdom upon its release and launched May into mainstream success after her performance of the song on Later... with Jools Holland on 23 September 2008. The song is also featured on the 2010 comedy-action movie Wild Target.

The song is known to have been written by May early in her professional career after the release of her debut studio album No Turning Back. During an interview with Gay Byrne on the RTÉ music programme For One Night Only' in 2011, May described the origin of the song, citing "boredom" as the reason for its writing.

"I was in another band and I was writing all my own stuff and I was itching to my own stuff. There was a soundcheck that was just going on and on and on... and my heart just wasn't in what I was doing anymore. My creativity was going overtime and during soundcheck, the double bass was doing it and I just started [writing it]. And there's a little nod to John Lee Hooker and "Boom Boom Boom" in there as well."

The song was recorded during the Love Tattoo sessions at Embassy Studios, a sixteen-track analogue recording studio in a converted cow shed, near Basingstoke, United Kingdom. A remixed version of the song, mixed by Andy Bradfield, appears as a bonus track on May's second studio album Mayhem, released in September 2010.

Though released as a single in January 2009, "Johnny Got a Boom Boom" saw its initial release through the promotional music video which was released in November 2008.

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