The act of draping one's hot, loose ball sack over his partner's head. Similar to teabagging, but the entire head gets covered. Most effective with old man balls.
To her delight, I gave Mary a heatdome this morning before she left for cross-fit.
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. 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.