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When a man needs a fellow man to intervene on his behalf, preferably by drawing the groups attention to either the newcomer or the stupid act the newcomer just did, a jimvention is called for. Although it comes from the words "jim" and "intervention", it can be used to describe anyone and everyone who needs a jimvention.

A jimvention can also be an instance where someone comes in, fixes some things, busts some heads, and leaves.
Example 1
-Dude, some one just said they'd do a master cylinder!
- Seriously, we need a jimvention, bad.

Example 2
- Dude, she's exotic!
- Quick, call up (insert name here) and have 'em do a jimvention! I'm gonna go try and score some!
by AceSuperix August 09, 2007
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