road head en · NOUN
Meanings
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(slang, uncountable) Fellatio performed on somebody driving a motor vehicle.
[…] a willing American interviewee describes how he wants his girlfriend to "reach for my [bleep]^([sic]) faster while giving me road head."
2015 February 26, Sophie Gilbert, “Soggy Bottoms and 'Sex Box': The Saucy State of TV's British Imports”, in The Atlantic: