Flittchen

Etymology
Probably from underlying, from , or alternatively from the related noun.

Noun

 * 1)  hussy; tart; slut a woman, typically young, who is promiscuous or whose appearance and behaviour make her suspect of promiscuity

Usage notes

 * Some dictionaries define as simply meaning “promiscuous woman”, thus being synonymous with  and the like. Such use of the word is doubtless possible. However,  often implies a saucy way of dressing, an active nightlife, an exaggerated inclination to flirting, etc.—perhaps even without the imputation of any above-average degree of actual promiscuity. Conversely, a woman who may be known to be promiscuous, but who exhibits no such behaviour, is less likely to be described as a.