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The act where a male flexes his penis or, in other words, "contracts" his penis. This action usually occurs when the male is semi-errect or completly errect.
1. Lenny's meatflex was so good it looked like his penis was waving at me from across the room.

2. Lenny meatflexed in gym class and impressed all the girls.

3. The meatflexing continued all day due to an overdose of Viagra.
by The Jayman September 14, 2006
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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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