Top Definition
1. Nickname of Toronto Blue Jays' first baseman, Lyle Overbay.

2. A huge jack hit by Lyle Overbay.
As Lyle Overbay is stiding up to the plate, with his at-bat music 'Jeremy' by Pearl Jam in the background, one would shout "Overboooooooooooomb!", repeatedly. And then, of course, Lyle would hit a huge overbomb.
by Mike333444 May 21, 2006
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