YOU SAID:
Yo wassup dude cool party
INTO JAPANESE
Yo wassupdudeクールパーティー
BACK INTO ENGLISH
Yo was supdude cool party
INTO JAPANESE
ヨはすごいクールなパーティーだった
BACK INTO ENGLISH
Yo was a really cool party
INTO JAPANESE
ヨは本当にクールなパーティーでした
BACK INTO ENGLISH
Yo was a really cool party
That didn't even make that much sense in English.