An angle between 90 and 180 degrees. Used in math. Other angles include:

right angle/right
acute angle/acute
straight angle/straight
reflex angle/reflex
That angle of 120 degrees is obtuse.
by Dice/Alex June 06, 2004
stupid -- dim-witted
"he seemed quite obtuse"
by Mobius July 21, 2004
that word that the guy out of shawshank redemption said
Andy: ur so obtuse

Warden: zomg i are not
by Dabetts January 17, 2011
from Latin obtusus, blunt, dull, from past participle of obtundere
dumb fuck not worth smaking!
by Jackd September 19, 2004
The state of being simultaneously high and in a reclined position
Person 1: "hey do you want to get obtuse?"
Person 2: "of course! When and where?"
Person 1: "20min on the boat"
by CHlMlCHANGA June 24, 2013
When someone bends backwards and their body makes an angle greater than 90 degrees.

Seen in Exorcist movies and an episode of Family Guy making fun of a scene from Shawshank Redemption.
Ace: Have you seen the trailer for The Last Exorcism? That chick bends her body into a 120 degree angle.

Gary: That's obtuse!

Ace: Right you are, Gary.
by jbushido August 27, 2010
adj: fat, used to describe any extremely overwieght person. This is due to that fact that an obtuse angle in math is a big fat angle over 90º.
Friend: That is one fat chick...
You: Shit, that bitch is OBTUSE!
by Poscrip October 02, 2011

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