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Pronunciation: /ˌɛs.aɪ.ˈɒn/

Used to emphasise that a statement is serious and not made in jest; a stronger form of promise or assurance, typically employed when ordinary affirmations such as “I swear” or “I promise” might be doubted.

Blend of “Seriously on”, developed as a convention for distinguishing genuine statements from jokes.
“You actually got the job?”

Yes, S I On, I did!”
S I On by Viper2025 August 27, 2025
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here's on I made earlier 

To save time on TV cook shows, the presenters will have made an example to show while the dish is taking time cooking.
Put it in the oven...here's one I made earlier.

chickedns when i see multiplication i have a discount on remotes for computers and c h e e s e i eat sand 

i love chicken and i hate math
damn, chickedns when i see multiplication i have a discount on remotes for computers and c h e e s e i eat sand frfr

i think i left them on your wife's side of the bed 

a funny as hell way of insulting a man by implying that you've screwed his wife
james: have you seen my gimp mask and anal harness?
bob: huh??
james: i think i left them on your wife's side of the bed

or

paul: have you seen my boxers? I think I left them on your wife's side of the bed
john: that dirty whore! did she ask you to do bukkake?

I swear down on my nan’s grave 

Popular statement frequently used by Formula 1 YouTuber Rocketpoweredmohawk. Used to express to swear on something or used as a general indication of anger/frustration
“If Max Verstappen wins the next race and gets his 50th win in a row, I swear down on my nan’s grave, I will be very disappointed”.

Mormon's Prayer: "There are no losses, straight finesse, call me shalashaska, Used to call me absurd now I pull up on the curve because I smack more backs that I care to admit, I swear I spit hot lava and that is my sword."

.
Mormon's Prayer: "There are no losses, straight finesse, call me shalashaska, Used to call me absurd now I pull up on the curve because I smack more backs that I care to admit, I swear I spit hot lava and that is my sword."

mormon's Prayer: "There are no losses, straight finesse, call me shalashaska, Used to call me absurd now I pull up on the curve because I smack more backs that I care to admit, I swear I spit hot lava and that is my sword."

.
mormon's Prayer: "There are no losses, straight finesse, call me shalashaska, Used to call me absurd now I pull up on the curve because I smack more backs that I care to admit, I swear I spit hot lava and that is my sword."