A euphemism for the ability to give a fantastic blowjob. Most often used by johnlock shippers.
"I wonder if John can keep up with Sherlock in bed."
"Don't be an idiot, he learned the clarinet in school."
by J.H.W. November 04, 2012
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Euphimism for "I give great blowjobs" or “I give a fantastic blowjob
Sarah: "Any special skills?"
John: "Learned the clarinet at school."
by justicecupcakes November 04, 2012
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An innuendo alluding to the speaker's blowjob skills.
'I learned the clarinet at school.'
'I look forward to it.'

'Have sex with me.'
'Why should I?'
'Come on, I learned the clarinet at school.'
'COMING!'
by Johnlock November 04, 2012
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