slang. (v.) Usually starting with a pronoun (e.g. he, she), It is another word for the slang term "ate". The reason for it changing is because of the homophones "ate" and "eight", the answer of 4+4. Other variations such as 2*4, 16/2, 7+1, and 2+6 are also accepted.
Lil Tay answered 4+4 in her new song! 😍😍