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2.
no variety, same old thing
Steve is really monotonous in the sack
by hailey October 17, 2004
 
1.
To be repetitive and boring
This english class is really monotonous
by Neo-Generation November 06, 2003
 
3.
doing crazy shyt all the time, something that you might think is crazy, out of control ect...
Marcello, your monotonous!
by ajismonotonous March 04, 2012