It's celebrated on 17th of August as per the popular Indian sitcom named "Philophers". The character Sid, who goes by the name "beerbottle", makes it rain beer for his friends. His friends start calling it the Sid-day.
yasho: bruh, why is it raining beer today?
sunil: brah! it's sid-day gif!
kena: here, fill my cup too. i can't come.
rajjo: wait. i am coming too.
sunil: brah! it's sid-day gif!
kena: here, fill my cup too. i can't come.
rajjo: wait. i am coming too.
by shantikapremi August 16, 2024
Get the Sid-daymug. by GlizzyGobble November 23, 2021
Get the Sidmug. Acts like your make but most the time is a total dk, when he’s with u he’s sound but when he’s not he’s a little bich and loves the words “probs not g”
You- yo sid u busy?
Sid- nah doing fuk all g
You- say less fancy doing me a quick lift
Sid- nah g probs not g
That sid hall what a nonce he is
Sid- nah doing fuk all g
You- say less fancy doing me a quick lift
Sid- nah g probs not g
That sid hall what a nonce he is
by Chongingbong December 14, 2023
Get the Sid Hallmug. 
by whitestoner January 30, 2017
Get the Sidmug. 
The best dog in the world. He is so cute and has an overbite. I love him 😍. The little shithead also always makes messes
by Heysmexyladys March 29, 2019
Get the Sid the dogmug.