The word "hast whack" is spelled with the letter "h" and "a" pronounced as /hæst/. The word "whack" is spelled with the letter "w" and "a" pronounced as /wæk/. The combination of the two words creates a context where "hast" means "as soon as possible" and "whack" represents the swift action of hitting something. The use of the word "hast whack" implies the urgency and immediacy of a task or action that needs to be taken without hesitation.