adrenalation 

When you see some one that gives you such and overwhelming feeling of love (and that brightens up your whole day, and when you see them you cant help but smile) that your heart gets an adrenalin rush!

but all of this together is simply call an ADRENALATION!

she was so beautiful i had an adrenalation!

adrenalation by hellaBORED77 June 12, 2010

adrenalating 

Something that causes a rush of adrenaline.

The sight of the elephant trampling the tribesman was an adrenalating experience.

adrenalating by John Clit January 20, 2009