¡Qué buen trasero tienes! (less vulgar, as it were)
¡Tú tienes un buen culo! (quite vulgar, a good hit on your face you would have if you told this to someone)
¡Qué culote! (quite vulgar, looking for having a good hit on your face)
Culo grande is how you say great butt in Spanish.
poco
The Spanish say it more politely: "Ven aqui", which means "come here". There is no direct Spanish translation for, "Get your butt over here".
You can say "bundinha gostosa" in Portuguese.
the answer is: kiss my butt
you be nice to them, say something like hey sexy your hot i bet you have a nice butt and then she will like you and show you
agradable !
burrito
tope del pollo
Butt with two 't's referring to a person's rear can be referred to by "nalga" or "asno".
Soy simpático(a)
¿Ha sido agradable a tu hermana? is the best way to say "Have you been nice to your sister?" in Spanish.