Why do I get jealous over a girl even though I don't want to be with her at all?

 Sure, here are some American and British advertisements that contain slang expressions in recent years and newly slang terms that are used in ads:

American

Ad: "Get lit with our new energy drink!"

Slang expression: "Lit" means excited or enthusiastic.

Ad: "Our new phone is so sick, you'll never want to put it down."

Slang expression: "Sick" means cool or awesome.

Ad: "These shoes are so fire, you'll be turning heads wherever you go."

Slang expression: "Fire" means hot or amazing.

British

Ad: "Our new product is the bees knees."

Slang expression: "The bees knees" means the best.

Ad: "Our new service is absolutely mint."

Slang expression: "Mint" means excellent or perfect.

Ad: "Our new clothes are so dope, you'll be the envy of all your friends."

Slang expression: "Dope" means cool or stylish.

Newly slang terms that are used in ads

American

"No cap" - This means that something is true or authentic.

"Bussin'" - This means that something is very good or delicious.

"Sheesh" - This is a general expression of surprise, excitement, or disbelief.

British

"Fam" - This is a term of endearment or familiarity.

"Salty" - This means annoyed or angry.

"Peak" - This is used to describe the best or most intense version of something.

It is important to note that slang terms can change quickly, so it is always good to stay up-to-date on the latest trends. You can do this by reading social media, listening to music, and watching popular TV shows and movies.