"La edad del pavo" = The age of the turkey*

at that "awkward" age.

"La edad del pavo es insoportable"
"Déjalos hombre, que están en la edad del pavo"
"Mi hijo/a está en la edad del pavo"
"Qué pavo tienen estas niñas" (This particular expression "tener pavo" refers to the particular and "special" way of speaking of teenagers, specially girls, have in that particular moment of their life. More generally, it also refers to the things said and done at that age).