サインボールだろう
saimbōrudarō
1. Probably a signed ball.
Noun
#156800
1. Probably a signed ball.
1. sine
1. autograph; signature
2. sign; signal
1. (corrugated) cardboard
1. bowl
1. ball-point pen
1. fair
2. fair ball
3. fair (event)
1. neon (Ne)
2. neon sign
1. volleyball