Top Definition
A women who is as old as a "cougar" but not as good looking
Stifler's mom is often thought as being a cougar, but in actuality is a 'Jacalob'.

The 'Jacalob' was discovered at the Gashouse restuatant in Edwards, CO. It is a mountain rabit with horns, but was discovered in coincidence with an ugley cougar at the bar.
by Maxwell10 March 23, 2008
4 Words related to Jacalob

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