NET
21 This is how you assessed the obscene conduct of your youth, when the Egyptians fondled your nipples and squeezed your young breasts.
Darby
21 And thou didst look back to the lewdness of thy youth, in the handling of thy teats by the Egyptians, for the breasts of thy youth.
KJV
21 Thus thou calledst to remembrance the lewdness of thy youth, in bruising thy teats by the Egyptians for the paps of thy youth.