Nurfing Surfing

1. When you go surfing and throw Nerf balls at other Surfers.

2. When you go surfing on a board made of Nerf products.

3. Nurfing is the equivalent of 'gnarly' or 'awesome.

Person one: Hey, want to go Nurfing Surfing today?
Person two: Of course! I love Nurfing Surfing!

or.

Person one: Duuuude, these waves are so Nurfing!
Person two: Let's go Nurfing Surfing!?