When engaging in the courtship of a girl/boy, it is a requirement of youth, when you are not allowed to shag in your parents houses, to seek other locations to close the act. One popular destination is the car. Hence the expression.
" C'mon sweet cheeks, I'm feeling horny, lets go to the local beauty spot, get naked and lets rotate these tyres! "
by Nathaniel Jones November 7, 2003
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