(n.) A slight, superficial knowledge of something; sciolism.

a little learning amateurism cast coquetry dabbling dalliance dallying dash dilettantism dilettantship few fiddling flirtation fooling fooling around gleam glimmering glimpse half-learning handful hint idea idling imperfect knowledge intimation jerking off kidding around lick loitering look messing around monkeying monkeying around piddling playing playing around pottering puttering scattering scintilla sciolism semi-learning shade shadow shallowness sip slight knowledge smack smatter smattering of ignorance smattering of knowledge smell soupcon spark spatter spattering sprinkling suggestion sup superficiality surface-scratching suspicion taste thought tincture tinge tinkering touch toying trace trifling vague notion