weight training, working out
Il ne tourne pas la scène de l'étang s'il n'a pas fait sa muscu.
He won't shoot the pond scene if he hasn't worked out.
— Séquences et conséquences (2000)
Il serait aussi musclé que son frère s'il avait fait de la muscu comme lui.
He would be as muscular as his brother if he had worked out like him.
J'aime les motos, les filles et la muscu.
I like motorcycles, girls, and working out.
— Rang de Basanti (2006)
Non, il ne fera pas sa muscu à la gym des Huskies.
No, he won't be doing his weight training at the Huskies' gym.
— Séquences et conséquences (2000)
Do you do weight training?
Have you been lifting weights?