get the whip hand
To acquire the most power or influence in a particular situation or setting. As the editor in chief, I've got the whip hand and give final approval for the layout of every issue—remember that.
have the whip hand
To have the most power or influence in a particular situation or setting. As the editor in chief, I have the whip hand and give final approval for the layout of every issue—remember that.
hold the whip hand
To have the most power or influence in a particular situation or setting. As the editor in chief, I hold the whip hand and give final approval for the layout of every issue—remember that.