Yes, ‘blop’ is considered a word, though it’s not typically found in standard dictionaries. It is often used informally to represent a sound, particularly in comic strips or cartoons, reminiscent of a small splash or a blob dropping into liquid. Additionally, in certain contexts, it can be used as slang or in niche communities with specific meanings.
The term highlights how language evolves and how new words can emerge from popular culture, even if they don’t yet have an official definition in conventional lexicons. So, while ‘blop’ may not be recognized universally, it certainly holds meaning in various informal and creative contexts.