sinerio 

Terrible misspelling of "scenario"

Ay bro, did you see Tim's hand out? He spelled scenario as "sinerio"

LMAO. That guy is an idiot for sure.

sinerio by RrenjkandoffNJKLDjfklaRNDRT May 17, 2018

Sinceriously 

1. The ability to speak freely, openly and honestly about anything; if you're going to say something, say it sinceriously.

2. To initiate any action while spreading as much good karma as possible.

When I say this I say it sinceriously.

I'm going to sinceriously raise as much money for charity as possible.

Sinceriously by Gingey87 January 17, 2015

sinseriously 

Emphatically exhibits the sincerity of your seriousness. The classic use is to close a letter with it.

Dear Urban Dictionary:


Thank you in advance for considering “sinseriously” in your Urban Dictionary.

Were sinseriously to be included in The Urban Dictionary, that would make my day, perhaps even my week.

Sinseriously,
Cyprus Denton Fekks

sinseriously by Cyprus Denton Fekks February 19, 2010

Siberion

Wolflike creature with known tendencies for "rubbage". Tends to excell at fragage and collect fire weapons or the like.

"Zing! The Siberion railed you"

"Don`t get to close or it`ll rub ya"

"Quickly Marie, give it the steak and it`ll probably leave"

"Woof!"

Siberion by Eligio July 27, 2004

Siberious

A word that replaces "Serious". Often used when a situation is completely ridiculous.

ARE YOU FREAKIN SIBERIOUS RIGHT NOW?

Siberious by Do It Big March 13, 2009

snerious

To be on a different level of serious.

You: "No dude...you can't be serious.."

Me: "Dude, on a scale from 1 to serious, I'm snerious."

snerious by Reid. December 22, 2008

Sinceriously 

1. The ability to speak freely, openly and honestly; about anything: if you're going to say something, say it sinceriously.

2. To initiate any action while spreading as much good karma as possible.

1. The Green Arrow normaly kept to himself, but he spoke about his problems sinceriously.

2. N8 and Timmy spoke Sinceriously when rapping in their single "Back Streets" to their upcoming Initation EP.

3.

Sinceriously by Nathan N8 Mitchell January 30, 2015