the word coolie is simple it's a emphasized form of cool
. The i,e adds the fact that it is amazing, or shocking. it can also be used a adjective meaning, good and calm.Its backround is from teenage youth, primarily girls, and most boys too.
"hey i just got these new nikes!" "Thats so coolie!" OR oh my god, i went to the mall, and i saw the most coolie shirt ever! OR, dude your so not coolie, your not anything leave me alone. OR, as a adjective... "Im so sorry im late!" "Oh its all coolie." here 'coolie' is describing that its all good, everythings okay, and calm.