Do you have access to any equipment or a gym?

Pull-Up Circuit, Wicked Wall Workout, Power Challenge, ATV: Arm & Tricep Vanity, Upper Body Pusher, Absolute Arms hope this helps. If you want more go to workouts then browse then arms and there are plenty more but these I've done and they are killer

No equipment or gym

The ones I put are mainly body weight I think one requires dumbbells but most are body weight

I do.