1 stopper, stopple, bung, cork:
If you pull the plug out, the water will run out.
2 chew, twist, quid, wad, pigtail, cavendish:
As they forbade smoking, he would take snuff or chew a plug of tobacco
3 publicity, mention, promotion, recommendation, puff, blurb, PR; advertisement, Colloq advert, hype:
His book was given a plug on yesterday's evening news.
4 Often, plug up. stop (up), close (up or off), seal (off or up), cork, stopper, bung, block, jam, stuff, clog, obstruct, dam (up):
A piece of soap has plugged the drain.
5 publicize, mention, promote, push, advertise, puff, commend, Colloq boost, beat the drum for:
It wasn't right to plug her brother's company in her article on double glazing
find, catch, coup, prize, treasure; bonus, cream:
Harvey's landed a plum job as overseas buyer.