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1.
To use excess flattery.
aka: kissing ass, aka: brown nosing
the brown nosed student frequently pleased his teachers with the use of obsequious compliments during oral intercourse.
by the misinformer March 22, 2005
 
2.
To subject to or be put under for some form of servitude.

Also used ignorantly as a uniform all purpose adjective.
The teacher was very arduous and overbearing, thus making the students feel obsequious to her.

Yesterday I fell on this really obsequious nail, and now I have some really obsequious ttetanus and lockjaw. Its probably the last time I will skateboard in haunted houses.
by Dan the Rockstar July 18, 2006
 
3.
of or relating to "salad"
synonyms: kinky, sexy, salad, cool, mangina... etc.
kamran: what are you up to jeremy?
Jeremy: oh im watching old greg
Kamran: how obsequious
jeremy: yes it is pretty salad
kamran: catch ya later brohemian rhapsody
by rockharddiewell January 27, 2009