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A girl that sleeps with men using the popular dating application called Tinder. This is a portmanteau of the words "Tinder" and "Slut". Hence it is a slut who uses Tinder.
Bro #1: My bro hank-the-tank totally railed like 8 tindersluts last month. I can't believe it

Bro #2: No way bro, that's awesome, I gotta get that app!
by 0kbear February 07, 2013
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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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