says you

A declaration of denial. Deterring the accusations of others.

Bob: Hey Joe! You're a fag!
Joe: "Says you"

Say Bet

When you're telling your homie to say less, you know whats up, full send, and bet you're down for the moves

"Yo homes we ready to schmoke up tonight?"
"Say bet"

I say

As used in Jeeves & Wooster, and presumably actually by the British upper class before the Great War.

1. Indeed
2. (expression of surprise): huh, wow.
3. Come on, really?
4. Hello
5. Remarkable
6. Etc. Etc.

1. Useless upperclass twit (UUT) 1: "It's a lovely day, isn't it?"
UUT 2: "I say"

say swear

It has multiple meanings depending on the conversation.

It is another way of saying "OMG, or "Are you for real?", or more commonly used, "Yeah,... right"

Mattie enters Debbies sanctuary and Debbie is alarmed and says loudly, "Your'e back again?! Say swear!"

as the fella says

a reference to the wisdom and insight of the archetyphal honest man

Well, I'll tell you now Timmy, keep tippin' away with that job. It'll do you well, as the fella says.

say worm

A phrase you say to someone when you're bored. Completely pointless. Usually ends up in the other person saying the word "worm". Mostly used on Tik Tok and created by user @the_sleepy_bear

Person 1: Say worm!
Person 2: Worm!

Google says

When you Google something and it comes out with an answer. Due to the awesome power of Google, what it says is 99.99% right.

Google says Berlin is the capital of Germany.