1. (verb)bung, spile a plug used to close a hole in a barrel or flask Synonyms: spile, bung, piling, stilt, pile
2. (verb)tip, fee, bung give a tip or gratuity to in return for a service, beyond the compensation agreed on Synonyms: topple, tippytoe, tiptoe, slant, angle, tumble, tap, lean, bung, tip, fee, tilt, tip off
3. (verb)bung close with a cork or stopper Synonyms: tip, fee