"Smash(ing) fucking weight and get(ing) fucking huge".
Often used after an individual is suggested to "keep lifting heavy and taking a multi(vitamin)".
Bro 1: Hey bro, you've got some ridiculously jacked bicepts
Bro 2: Thanks bro, it's all about SFW & GFH, yaknahmsayin?
Bro 1: Oh man, I was just lifting heavy and taking a multi... I should step my game up.
Bro 2: It's the only way to get jacked fibraz, brah.