Top definition
An oral sex technique where you slide your mouth up and down on a penis while breathing or speaking into it.
He could never dump his girlfriend because she loved to play the harmonicock.
by Faster Redhead October 07, 2017
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2
An oral sex technique where you slide your mouth up and down an erect penis while humming or speaking into it.
He knew his girlfriend was a keeper after she gave him a harmonicock.
by Faster Redhead October 08, 2017
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3
An oral sex technique where a person slides their mouth up and down a penis shaft while breathing or murmuring into it, like a harmonica.
She had a reputation for giving great harmonicock.
by Faster Redhead September 12, 2017
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