The act of bullshitting ones self into a state of delusionary happiness about absolutely nothing, nothing in perticular, or complete nonsence.
Most commonly done during idle afternoons, boring nights when nothing's happening, or as an absurd attempt to find a bright side in a situation from hell.
Patient: So my cat died, my parents are in jail, and my girlfriend is pregnant again, and I'm celibate! What can I do about all this stress?
Shrink: In my professional opinion, all I can really suggest is that you start shitting rainbows.