Bullish is a reference used when somebody believe a cryptocurrency project
will succeed.
People will often reference "bullish" when they are fully invested in a project because they want others to also be interested in the same project.
Keith: I am so bullish on XRP right
now.
Hector: Where can I buy that?
Keith: I bought mine on Rubix.io.
Hector: Great, I am going to get that now.