2 definition by MA991EG1RL

Top Definition
- abbreviation for

Make the Shit Up
Utilized by Corporate Americans who wait until the last day to turn in PPE's, PTE's, PMP's and other performance evaluations and team goals; MTSU, or Make the Shit Up, can be a useful tool when completing a variety of forms that you deem a complete waste of your time.
by MA991EG1RL March 04, 2013

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An area known for its noxious aroma contained within a relatively small environment: garbage dumpsters, public restrooms, smoking areas, perfume counters, etc.
Juan: Our supervisor's flatulence in the office is out of control.
LJ: I know. When we go to the departmental meeting after lunch today, we will definitely be entering toxic air space.
by MA991EG1RL June 14, 2013

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