When you smoke so much weed that you become an 80 year old man.
He got "Old Man Syndrome" last night, He crawled on all fours to get into the house.
by yungporoonthetrack July 25, 2022
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1. A way to tell somebody they are behind on the times, or out of touch. Old Man Jeffries can often be spotted by their use of basic or outdated internet services, especially dictionary-related ones.

2. A stereotypical old person i.e: liked things when they were younger, uses the word "Whippersnapper" excessively, and constantly complains about the spatial positioning of people he doesn't like in relation to his lawn, and usually where they should get.
Jimothy: "Hey, you know that neighbor down my street? The one who chased us with his walker?"
Chad: "Oh, you mean Old Man Jeffrey?"
Jimothy: "Hey, no need to be so mean...but yeah,"
by Old Man Jeffrey May 13, 2022
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Otherwise known as "OMTP", Old Man Technology Problems refers to those, mainly those who look old, who have trouble with the technology of today
Old Man: Sorry guys! Old Man Technology Problems!
by Mastur Of E September 28, 2021
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When you flip someone the bird, but with absolutely perfect form. All knuckles are completely hidden and down, except those that belong to the middle phalange. Fully extended middle finger, with all other fingers laid flat against the inner palm.
“That dude just gave me the Old Man Tall Finger!”
“Give that bitch the Old Man Tall Finger, let her know you aint playin’!”
“I like to use the Old Man Tall Finger, it’s a classic that is understood across all age groups and languages...”
by NurseCaca December 7, 2018
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An obese man who becomes really horny seeing an elementary school
Greg is so weird, he is such a 37 year old man
by Abdullahthenerd September 19, 2023
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