When a girl only touches the mouth of her lover with her own, but does not herself do anything, it is called the "nominal kiss." (2).

When a girl, setting aside her bashfulness a little, wishes to touch the lip that is pressed into her mouth, and with that object moves her lower lip, but not the upper one, it is called the "throbbing kiss." (3).

When a girl touches her lover's lip with her tongue, and having shut her eyes, places her hands on those of her lover, it is called the "touching kiss." Other authors describe four other kinds of kisses, viz.: The straight kiss.
The bent kiss.
The turned kiss.
The pressed kiss.
(1).

When the lips of two lovers are brought into direct contact with each other, it is called a "straight kiss." (2).

When the heads of two lovers are bent towards each other, and when so bent kissing takes place, it is called a "bent kiss." (3).