The generation of a spontaneous erection generated from the friction generated from vigorous, shameless grinding.

When a male randomly gets a boner when dancing with a female (or another male for the gay males). This is usually spontaneous and can happen to some guys during any type of dancing. Such occurrences are mostly likely in teen males but can still occur in later years for some unlucky males.

When a male randomly gets a boner when dancing with a female (or another male for the gay males). This is usually spontaneous and can happen to some guys during ANY type of dancing. Such occurrences are mostly likely in teen males but can still occur in later years for some unlucky males.