0 to make something bigger or more powerful by adding to it:
Several countries in the region are bulking up their military power.
If you travel light, you can always bulk up your wardrobe from local market stalls.
1 to add weight and size to your body, especially by gaining more muscle:
Will Smith bulked up his body to play the part of Mohammad Ali.
NOVÉ SLOVÁ
European
May 10, 2021
SLOVO DŇA
Shimmer
bulk sth up