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".
the answer is: kiss my butt
tope del pollo
Butt with two 't's referring to a person's rear can be referred to by "nalga" or "asno".
Baile su trasero lejos.
Tatarabuela rebisabuela Bisabuela --- great grandmother
tu culo fuera del cuarto de baño
GenialGran
buenisimo
You say Tia abuela.
How do you say, "It has been a while" in spanish