Overdone, as flattery

• Excessively ingratiating — of mules (anag)
• Generous, abundant
• Orchestra stops to smoke? That's excessive!
• Unnecessarily effusive
• Obnoxiously flattering
• Over the top

WordNet Word definitions in WordNet
adj. unpleasantly and excessively suave or ingratiating in manner or speech; "buttery praise"; "gave him a fulsome introduction"; "an oily sycophantic press agent"; "oleaginous hypocrisy"; "smarmy self-importance"; "the unctuous Uriah Heep" [syn: buttery ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
mid-13c., "abundant, plentiful," Middle English compound of ful "full" (see full (adj.)) + -som "to a considerable degree" (see -some (1)). Perhaps a case of ironic understatement. Sense extended to "plump, well-fed" (mid-14c.), then "arousing disgust" ...

Wiktionary Word definitions in Wiktionary
a. 1 offensive to good taste, tactless, overzealous, excessive. 2 excessively flattering (connoting insincerity). 3 abundant, copious. 4 Fully developed, mature.

Wikipedia Word definitions in Wikipedia