Daddy hands
When some one has dad hands, they tend to have large/wide hands, prominent knuckles, and long fingers. They basically cover your hand when hand-holding.
My partner has daddy hands not baby hands
Daddy's Hand
Giving yourself a strong-hand off-hand stranger after using a grip-strength trainer to build up your off-hand for an extended period of time.
I've been using this grip strengthener for a month, tonight I'm gonna sit back and treat myself to a session with Daddy's Hand.