The act of filling up someone's car with something inconvenient such as chicken soup or, if to the full extent, wet concrete.
"She cheated on me so I larkled her convertible with tomato sauce"
The act of loving someone in an extreme way. When the word "love" just doesn't seem to fit, and you have more feelings for that particular person, than ANY in the world. Loving one so much, that when that person is seen, there are sparkes flying inside and out!
You are the best thing that has ever happened to me, I larkle you!