A lench is a male or female that takes you to the very edge during sexual activity, and then promptly terminates the act, leaving you blue balled in a pitiful state.
How was she last night bro?

Mate she just left me on the edge, bitch is a lench.
by Not a lench August 9, 2018
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Used to describe someone really swaggy or cool. They tend to be really confident, and deserves everyone’s attention.
“Yo! That dudes got some serious buck lench!” “Man, you’ve got some cool buck lencher moves!”
by really.cool.dude.22 August 23, 2023
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An exaggerated swagger that is worthy of note. A person walking in a way that is clearly trying to be as cool / swag / drip as possible. If someone has a buck lench they appear to be putting some effort into looking as cool as possible.
"Check out this dudes 'lench."
"DAMN I'm loving that guys buck 'lench."
"Yo your buck 'lench is craazy brah"
by Marty McFly 2025 August 23, 2023
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