Definitions

1. verb

to make a sudden, loud noise, especially with the mouth or by slapping something

“She spaked her lips together to keep from laughing.”

2. noun

a sudden, loud noise, especially one made with the mouth or by slapping something

“The spak from the crowd startled the performer.”

3. interjection

an expression of sudden surprise or excitement

“Spak! She had won the contest!”