An acronym invented by TJ "Audi Wala" Dhaliwal and is used by Punjabi teens meaning "Hasde di bund fatgi" in translation to English meaning LMAO or I was laughing so hard my ass blew up into hella pieces.
TJ-"Hey Laddi you see that nigga running from the cops?!!!"
Laddi- " I know bro HDBF!"
After watching the Cavs game last night meri HDBF.