Tart

herb

(with sharp taste)

sauer

(with sharp taste)

sauer

(high or too high in acidity (of wine))

scharf

(sharp (figuratively))

säuerlich

(high or too high in acidity (of wine))

Flittchen

(woman with loose sexual morals)

Hure

(prostitute)

Prostituierte

(prostitute)

Schlampe

(woman with loose sexual morals)

Tarte

(open-topped pie or pastry)

Törtchen

(open-topped pie or pastry)