blow (one's) socks off

blow (one's) socks off

To thoroughly impress, overwhelm, or excite one. The show of support from everyone just blew my socks off. That movie really blew my socks off—I didn't expect it to be so good!See also: blow, off, sock

blow/knock somebody’s ˈsocks off

(informal) surprise or impress somebody very much: With that dress and your new haircut you’ll knock their socks off!See also: blow, knock, off, sock