The word 'whop' is an expressive, imitative formation from the late Middle English period, designed to echo the sound of a heavy, solid blow or a sudden fall. It belongs to a family of similar-sounding words like 'whap' and 'whack', all created to phonetically mimic the action they describe. This process of creating words from sounds is common across languages and allows for immediate, intuitive understanding of the term's meaning. Over time, 'whop' solidified in English not only for the physical act of striking but also extended metaphorically to mean a decisive defeat in competition.

This is a simplex word of imitative origin, functioning as a whole unit. It is an example of onomatopoeia, where the sound of the word suggests its meaning.