Wiktionary
nerf balls
n. (nerf ball English)
Usage examples of "nerf balls".
A couple of hundred people were already spread around the track field, some already having staked out positions with spread blankets, others tossing Frisbees or Nerf balls, most just standing around because they hadn't yet had enough beer to loosen up.
They popped up constantly, demanding food or drink, throwing Nerf balls at everybody, and screaming at the rain outside to turn into enough snow to cancel school on Monday.
Robson was one of 143 city employees who've been hurt on the basketball courts, which suggests a dire need for helmets, cups, instructional videos and Nerf balls.