A very happy 21 to yalets see...
Bahama Mamma
Appletini
Margarita (regular, strawberry, or what have you)
Lynchberg Lemonade
Kamikaze (shot)
IRISH CARBOMB!! (I will take anybody on in that)
Have an awesome time and try a few different thingsas others have mentioned, stay hydrated throughout the night!! 2 ibuprofen and a glass of water before you go to bed can also do the trick
always has helped me, lol