"Lip worship" is a term that means to be excessively flattering or praise someone to the point of adoration. A few synonyms for "lip worship" include flattery, adulation, fawning, obsequiousness, and bootlicking. These terms all refer to the act of excessively praising someone in the hopes of gaining favor or benefit. Other similar phrases include "brown-nosing," "apple-polishing," and "buttering up," which all imply insincere flattery. Ultimately, using such language to excessively praise someone can be seen as manipulative or insincere and may not be viewed positively in professional or personal relationships.