A substitute teacher/professor that has been deemed a "fatass" by a majority of the students attending that class
Hey, look at subby three-chins over there.
by Old Man Dankens October 28, 2015
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Someone who would rather pay someone too much and than fall out with them. Generally tends to be a nice bloke, bit of a cunt.
Gonzo is a friend of the subbies (e.g. Good old Taggy, Eddie? Eddie? Not good old Eddie? blah blah blah)
by Steve Morriss March 5, 2004
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Subby or Jimmy is a person who is quite cool to hang out with. they act like an actual bro to you if he likes you enough. he mostly is interested in gaming, you can commonly find him on the messaging app discord chatting with friends or either playing tekken 7 on steam as an above average skilled keyboard king main. he can also be very edgy if he feels like it
m: yo

Jimmy: hey m can you send more pics of your bunny?
m: yeah sure

nyana: yes pls show bunny

another example of Subby/Jimmy chatting with friends

Zinqle: who are you again?
Subby: me
Barry: loser
Subby: im going to commit arson on your house barry
Nikolas: Name: Nikolas
Roblox user: j0hnny_Star
AGE: 17
Sub, Manga
Vaf part: 7
Country: Italy
Likes: big black cocks
Gender: Fag/got
by SubbyZ February 25, 2022
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Someone, or an action, which is moronic and/or idiotic.
by somepakiwithabigdick November 16, 2022
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Cute way if saying "Subway", like the sandwich place.
"God I love subby men! They're so fucking hot! "
"Anyone who works at subway is attractive."
by snowumbrella March 16, 2023
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