Pronunciation: [θwˈakɪŋ] (IPA) 
The word "thwacking" is spelled with thirteen letters and is pronounced /ˈθwækɪŋ/. The "th" sound is a voiceless dental fricative (/θ/), followed by the /w/ consonant sound. The /æ/ vowel sound is a short open front vowel, followed by the hard /k/ consonant sound. The /ɪ/ vowel sound is a short lax vowel. Overall, the word has a strong, percussive sound, which is fitting given its meaning of hitting or striking with a sharp blow.
Thwacking is a verb derived from the word "thwack," which refers to a loud, sharp, and forceful blow or smack. It is often used to describe the act of striking someone or something with a strong and vigorous hit, producing a distinct sound. Thwacking can also be associated with repetitive and rhythmic pounding or beating, commonly producing a resounding noise.
This term is frequently employed metaphorically to express the forceful impact or contact of an object or action. It can denote the act of forcefully striking an object with a tool or weapon, generating a loud and reverberating noise. Thwacking is frequently linked to forcefulness, intensity, and physical strength, signifying a powerful action causing impact or a sudden change in a situation.
In a broader sense, "thwacking" can be perceived as an action that demands vigor and might. It can be used in various contexts, including sports, combat, or disciplinary measures, where the goal is to deliver a strong and fierce blow with the intention of making an impact or inflicting damage. However, thwacking can also be used humorously or metaphorically to describe a gentle or playful hit that produces a comedic or lighthearted effect.
Overall, thwacking is a dynamic action characterized by the forceful striking or hitting of someone or something, typically accompanied by a distinct and resonating sound.
The word "thwacking" is derived from the verb "thwack", which emerged in Middle English around the 14th century. The exact etymology of "thwack" is uncertain, but it is believed to be an onomatopoeic word that imitates the sound or action of a heavy blow or a sharp slap. The term "thwack", in turn, gave rise to the noun "thwacking", which refers to the action of striking something forcefully or abruptly.
