lapdog
noun
Definitions
A small toy dog, kept as household pet, whose light weight and companionable temperament make it both suited and disposed to spend time resting in the comfort of its master's lap; a dog bred to behave in this manner.
(by extension) A person who behaves in a servile manner, such as a sycophantic employee or a fawning lover.
Synonyms:ass-kisserbootlickersycophanttoady