YOU SAID:

imma smach you kneecaps

INTO JAPANESE

imma smachあなたは膝をかぶる

BACK INTO ENGLISH

imma smach you wear a knee

INTO JAPANESE

あなたは膝を身に着けているimma smach

BACK INTO ENGLISH

imma smach you're wearing a knee

INTO JAPANESE

あなたが膝を着ているimma smach

BACK INTO ENGLISH

imma smach you're wearing a knee