And that word means words that are  derived from sounds like sizzle and boom. 

So to say this word correctly we  have six beats on uh mod uh pee uh

lots of uh syllables make sure you make  those very short with a very relaxed  

mouth and that will make the word sound  a little quicker on-uh mod-uh pee-uh 

onomatopoeia onomatopoeia give it a try