. . . "Hard or Hard on may refer to: \n* Boner \u2014 ....when it gets real stiff (Lady Gaga is one of the few women who can actually have this) \n* Difficult \u2014 when something's difficult \n* Hardness \u2014 the hardness of something"@en . . . . "Hard (disambiguation)"@en . . "Hard or Hard on may refer to: \n* Boner \u2014 ....when it gets real stiff (Lady Gaga is one of the few women who can actually have this) \n* Difficult \u2014 when something's difficult \n* Hardness \u2014 the hardness of something"@en .