This text is written in a casual, informal style and contains several slang terms and expressions.

"Lmao" is an abbreviation for "laughing my ass off," indicating that something is very funny.

"Deadass" is a slang term used to emphasize that what is being said is true and not a joke.

"Tony" is likely a reference to a person named Tony.

"You got me bussin frfr" means that the person speaking was laughing uncontrollably. "Bussin" is a slang term for laughing and "frfr" stands for "for real for real."

"No cap" means "no lie" or "not exaggerating," indicating that what is being said is truthful.

"Bro" is a slang term used to address a male friend.

"We in this shit together" means that the speaker and the person they are addressing are in the same situation or working together towards a common goal.

Overall, this text is expressing that the speaker found something very funny, and that they and the person named Tony are in a close relationship and working together.

Never thought I'd die fighting side by side with someone saying "frfr".