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The act of masturbating while in a car.
Motorbation helps Sandy stay awake when she needs to drive along on long trips.
by Kate Charlton August 07, 2008
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Jul 26 Word of the Day
Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term “second string” in an athletic competition situation. In football, if the star quarterback gets injured during a play, the second string is called off the bench to replace him/her. A “Second String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed
I got a call from X the other night. She had an extra ticket to a concert she bought for a friend, but they couldn’t make it so she called me to ask if I wanted to go because I am her Second String Friend.
by Deus-ex-machina August 26, 2020
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2
the act of vigorously shaking one's head between a pair of large breasts while simultaneously performing sexual acts on one's own genitalia
Motorbation is a large part of foreplay between Steve and his well-endowed wife.
by Paully Dizzle December 13, 2010
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