A less than desirable female. This term is derived from the freshwater fish Lota lota, also known as a Burbot. A female who is termed a "Burbot" is much like the fish in that they are slimy, smelly bottom feeders that will put anything into their mouth.
I went out last night to the bar and all I was able to pick up was a lousey Burbot.
Any automated program which does annoying things by design. Can be used to refer to a malfunctioning program, but this is not generally correct. Often used on chatrooms like IRC. Not to be confused with buttbutt.
"that program is a buttbot" - "the anti-spam program has buttbotted" - "the buttbot is on again"