If you've been imgrunded, then you've been taken in by a louse, a scoundrel, a societal scourge. You've been tricked, conned or taken advantage of. Been fed a line. Been drained of your life blood in a sneaky, sinister way.
"This guy told me that there is a great price of swampland in Florida that is a shoe-in to rise to 10x its current value. So I scooped it up right away. But it's been nothing but trouble for me - never rose in value and has zapped me of my life savings."
The point at which you have consumed so much alcohol (AKA Liqourhol) that you can no longer speak properly. Often causes your words to become one whole sentence without spaces.
Guy 1: dude, I was so fuckin Indrunksicated on liqourhollast night Guy2: I know man, youweretalkinglikethistheentirenight