Hircine

Hircine \HUR-sahyn\ , adjective;
1. Of, pertaining to, or resembling a goat
2. Having a goatish odor
3. Lustful; libidinous

Someone's horny! Too easy... (credit: Robert Scott, source)

This word dates to the 1650's from Latin hircinus ("pertaining to a goat") from hicus ("he-goat, buck"), and possibly related to hirsutus ("shaggy").