YOU SAID:
Its my half birthday yay
INTO JAPANESE
その私のハーフバースデーイェーイ
BACK INTO ENGLISH
That my half-birthday yay
INTO JAPANESE
私のハーフバースデーはイェーイ
BACK INTO ENGLISH
My half birthday is yay
INTO JAPANESE
私のハーフバースデーはイェーイです
BACK INTO ENGLISH
My half birthday is yay
That didn't even make that much sense in English.