The female form of the bagdrag, the snailtrail is the sliding of one's poonanny across the forehead of an unsuspecting intoxicated or sleeping victim. The snailtrail is best performed during ovulation when discharge is thicker and richer. Note: can result in injury if the snailtrailer is not stealthy.
Hey look, Kira is sleeping peacefully, let's start her morning off right with a snailtrail.