A fat desperate guy that serves as back up to the main man when you're bored. Someone just to hang around to take up ones time. Lacks all the qualities of your main guy but is sufficient if marginal company when you're bored. Someone who you really don't care about.
That fat guy you were talking to is second string to the real deal.
by s.z.d. January 14, 2008
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A second string is the backup to your primary booty call person. Usually unwanted, they'll make do when the primary person is not around.
Fundo's booty call girl was busy sucking his friend off, so Fundo called up his second string hoe.
by authOOr July 07, 2006
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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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