To saunter.
To trundle, to roll from side to side.
To draw someone or something out, to entice, to lure as if with trailing bait.
(by extension) To fish using a line and bait or lures trailed behind a boat similarly to trawling; to lure fish with bait.
To angle for with a trolling line, or with a hook drawn along the surface of the water; hence, to allure.
To fish in; to try to catch fish from.
To stroll about in order to find a sexual partner.
He spends most of his waking hours trolling on WIRE.
(to post inflammatory material so as) to attempt to lure others into combative argument for purposes of personal entertainment and/or gratuitous disruption, especially in an online community or discussion
(by extension) To incite anger (including outside of an Internet context); to provoke, harass or annoy.
To move circularly; to roll; to turn.
To send about; to circulate, as a vessel in drinking.
To sing the parts of in succession, as of a round, a catch, and the like; also, to sing loudly, freely or in a carefree way.
The act of one who trolls (in various senses).