Wiktionary
nipplelike
a. Resembling a nipple or some aspect of one.
Usage examples of "nipplelike".
And when she raised her head to look back on the thing Sean's blast had downed, she realized that that image her mind's eye conjured wasn't far from wrong: it looked like an oldfashioned wire-coiled vacuum cleaner hose, only a lot wider, and capped with an evil-looking nipplelike device.
A lush bifurcated curve on one end, like buttocks, converging to a nipplelike point on the other.