excessively obedient or servile behaviour

everybody in the room was sick of his flagrant bootlicking

behaving in an excessively obedient or servile way as a means of gaining favour

a mindless herd of bootlicking sycophants

behave obsequiously towards (someone) in order to gain favour

several senior party officials stampeded to bootlick her

all who know me well know that I do not bootlick anyone

she has bootlicked like never before in an attempt to sway representatives in the House to her side