bulking
verb(bulk)
to cause to swell or bulge : stuff
bulking
verb(bulk)
to gather into a mass or aggregate
bulking
verb(bulk)
swell, expand
bulking
verb(bulk)
to gain weight especially by becoming more muscular
bulking
verb(bulk)
to cause to bulk up
bulking
phrasal verb(bulk)
to make (something) bigger or thicker by adding more material