They didn't have a backup goalie.
3 seconds sound clip from the Slap Shot (1977) movie soundboard.
You can hear this line at 00:38:40 in the Blu-ray version of the movie.
Quote context
[...]
- She's a fantastic gal. I mean, fantastic!
- I knew it'd drive him berserk.
- You nailed him, coach. You nailed him in the fucking head. Nailed him in his mind.
- That was wrestling shit out there.
- They didn't have a backup goalie.
- No. You gotta twist them and fuck with them.
- Hey! Hey, Lily! Lil, where're you going?
- Hey, Lily! Hey, Lily. Hey! Lil?
[...]