What on earth are you thinking when you ask a question like this?????

These inputs from different cultures are actually in our unabridged dictionaries!

Actually, unlike the other person who impolitely answered your question, Americans tend to use more "idiomatic" phrasal verbs for many different reasons, but mostly because of the dynamic mixture of so many cultures coming here such as yiddish speaking people, Russians, Italians,........ and about 100 other cultures!!!