B1
when you travel around an area without spending much money, carrying a backpack
Dictionary examples:
My backpacking experience: learning to say 'Where's the bathroom?' in ten different languages! (0.0)
My backpacking skills improved when I learned to cook noodles in a kettle. (0.0)
Backpacking taught me that a smile is the best currency in any country. (0.0)
I went backpacking when I was a student. (18.3)