YOU SAID:

i partied and pooped pants

INTO JAPANESE

私はパンツをパーティーに参加させた

BACK INTO ENGLISH

I put the pants on the party

INTO JAPANESE

私はパーティーにズボンを着ます

BACK INTO ENGLISH

I wear pants to the party

INTO JAPANESE

パーティーにズボンを着る

BACK INTO ENGLISH

Put on pants at the party

INTO JAPANESE

パーティーでズボンを着る

BACK INTO ENGLISH

Wear pants at a party

INTO JAPANESE

パーティーでズボンを着用する

BACK INTO ENGLISH

Wear pants at a party