Hottest, sexiest man alive. When a Lachlan walks into the room all heads immediately turn and jaws drop. He's kind and caring and the worlds biggest flirt, he wears hats indoors and was the cutest most emotional baby.
woman 1: damn who is he
woman 2: he's definitely a Lachlan
by hawtyhawty August 31, 2019
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A formidible foe in sending memes, but a bit of a chotch. A keyboard warrior who will usually bail on plans because a female's shoulders are showing. An unusually square head, which, among other things, makes him ridiculously easy to roast. Probably wears his glasses so often that you will forget what he looks like without them, saying "AHH! Who are you?" when you see him without them. Lovely guy though :)
Wow, that head is square! He must be a Lachlan.
by BIG LACH (Romance) April 9, 2018
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Small penis.
Or a peasant boy who washes ass cracks in his spare time.
1. Damn, look my son, your daddy has a Lachlan.
2. He washed me good, he must be a Lachlan.
by SMURGZ February 22, 2020
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Dude 1-you know Lachlan

Dude 2- yeah has a massive knob
by Knob 123 May 29, 2020
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Has a massive knob proper fit all round don
You seen Lachlan he’s got a cock the size of a bus he will do a Jhadi John in ya fanny
by Knob 123 May 29, 2020
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Blue eyes, blonde hair, Tall, looks like he is from Queensland.
Works at maccas, and is the funniest guy you'll ever meet.
Person 1: Hey Lachlan what do you want me to call you
Lachlan: Lachy
by xShabz February 25, 2020
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