An inadequate singer, comedian, or other live performer who lacks the talent to succeed in a reputable market or venue, and is thus relegated to doing their act on boats and/or cruise ships. Audiences typically consist of uncultured tourists, addictive gamblers, and the elderly.
(One step below "lounge act.")
Despite being a complete BOAT ACT, Dat Phan somehow won "Last Comic Standing."
A combination of "satisfaction" and "apocolypse", often used to describe how one feels after eating a Snickers bar.
Ride the four horses of the satisfocalypse.