The cap surface is smooth, and, depending on the moisture in the environment, may range from sticky to the touch to slimy.
en.wikipedia.org As with other stinkhorn fungi, mature fruit bodies are covered with olive-brown slimy gleba, containing spores, which attracts flies.
en.wikipedia.org They are pale greyish when young, becoming whiter and covered with a semi-translucent and slimy membrane, often with an ochraceous flush at the centre.
en.wikipedia.org The larvae are slimy in appearance, and are sometimes referred to as slugs (e.g., the pear slug), though they are not gastropods, but insects.
en.wikipedia.org