An abbreviation of Spacecraft Tracking and Command station.
Although the 's' for the station is missing; it is withheld to let STAC be more speaker friendly. A ground station with capability to trackspace crafts may be reffered to as a STAC station.
A mustache variant. Specifically, a mad dog (or Hulk Hogan if you prefer) that only combat Vietnam vets can grow after they've reached the age of 55. Only after you have looked eye ball to eye ball with the man in the black pajamas (a worthy fucking adversary) will you be able to grow this mustache.
Most, if not all, of the gentleman sporting this stache will be wearing a Vietnam Veteran hat and a pair of gold aviator sunglasses They may, or may not, also have a kick ass nickname, like "Dead Eye" or "Bunny".
The act of accumulating satoshis ("sats"), the penny of bitcoin over time. This term emphasizes that even really small accumulations of bitcoin are useful because of the value they will have in the future.