buttery

a small storeroom for storing foods or wines

a teashop where students in British universities can purchase light meals

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”
• “soapy compliments”

resembling or containing or spread with butter

• “a rich buttery cake”