1 definition by Jaime W.

1. Any item, one hundred percent nessessary to get you where you need to be. Mentally or physically.
2. A slang word for toilet.
1.a. No, I need to pick up another whoosit at the hardware store before we can finish this job.
1.b. I need a whoosit for my whatsit, you dig? (a bowl to smoke this pot)
by Jaime W. August 13, 2003
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