Has entered the chat 

When a topic is presented or being discussed (typically through video) and causes the summoning of a person or people with relation to said topic out of curiosity or interest. It is frequently commented on videos as a joke.

It may be used in different scenarios as well. Its primary purpose is to create a hypothetical awkward and/or funny moment.

The phrase references old time chat rooms with the notice that “____ has entered the chat.”

This joke is parallel to the common phrase: Has left the chat

*Momo Challenge video begins*

“FBI has entered the chat.”
or
“Parent enters the chat.”

Has entered the chat by C. Dardano March 4, 2019

Has somebody tickled your peach? 

this means when somebody has got on the wrong side of you, or pissed you off

'hey how are you'

'dont talk to me'
'has somebody tickled your peach?'

Has somebody tickled your peach? by charl j February 15, 2014

Has left the chat

When someone has left some kind of impact, typically bad, that it forces a related person or group of people to check out (leave) out of embarrassment or disinterest.

The phrase references old time chat rooms with the notice that “____ has left the chat.”

*Shane Dawson’s ‘The Mind of Jake Paul’ video ends*

“Jake Paul has left the chat.”
or
“The Pauls have left the chat.”

Has left the chat by C. Dardano October 4, 2018

has-been 

One who used to be famous/popular, but isn't anymore. Used to descride singers, dancers, supermodels, etc.

Most Hollywood has-beens are often seen on late-night TV, hawking cheap products that break 0.000000000000000000005 seconds after you get them.

has-been by Shawn B. May 22, 2003

Has anybody ever told you that you look like Beyoncé? 

A hot ass vine that is probably the most hilarious thing I’ve ever seen. It gets me shook to the bone.

Guy: Hey, has anybody ever told you that you look like Beyoncé?
Shalissa: Nah, they usually tell me I look like Shalissa.
Guy: Who the fuck is that?
Shalissa: Me nig**.
#ripvine #gucci #vinesfordays #shalissa

Has anybody ever told you that you look like Beyoncé? by Adam V. April 13, 2018

has mo kar 

Used in the gypsy/bulgarian language to say "suck my dick".

"Hey, can I borrow this?"
"Has mo kar"

has mo kar by bpoopa August 28, 2019

Has the balls 

someone who has confidence in their idea or view.

bob has the balls to stand up to his boss

Has the balls by BrettM October 4, 2007