Top definition
When in the presence of something or someone amazing which can easily make you incredibly happy and brightens up your day, providing inspiration.
Example 1
Man1 "Look at those two, he always laugh when she's around"
Man 2 "That's cos she has The Jarman Effect on him"

Example 2
Woman "Wow, the night sky is so inspiring"
Man "That's the Jarman Effect."
by Larious January 24, 2012
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