Ah, a good ol’ Adam West era Batman sound effect! ‘Biff’ was always my favorite 😀

↓ Transcript
1 - (The silhouette of The Black Bat gliding down towards his prey)
The Black Bat: Halt!
2 - (A loud BIFF is shown)
*BIFF*
3 - (The Black Bat clutches his groin as his prey escapes)
The Black Bat: UHH!
The Black Bat (Narration): Note to self: work on sticking the landings!