Lacing is an unusual sexual perversion in which a man ejaculates into the food of unsuspecting people. The lacer gets sexual gratification from watching people unknowingly swallowing his semen.
After lacing the hot fudge, Stewart watched in silence while his neighbor's daughter devoured every bite of her ice cream.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.