Yes, an adult of legal age may agree to an adoption of themself, without consent from their parents. Laws vary state by state so check your local laws to be sure you are doing it correctly. Adult adoptions can be done without a lawyer, as long as all parties involved agree to the adoption.
a 27 year old woman.
If the year is 2009 and you're 27 yrs old then the year you were born is 1982.
YES
Legally, No!
No way...
No, she must wait at least another year till she's 18 lest her 27 year old spends time in jail.
No. As long as you love him or her.
No.
no, absoloutely not
You are both adults and can do as you wish.
Yes you are both adults.
Yes. Sorry.