RORY: So, Grandma, Grandpa is traveling again, huh? … Business must be good … That’s great. Isn’t that great, Mom?
LORELAI: A jig is forthcoming.
A lively folk dance associated with Irish and Scottish music and dance, first popular in 16th century Ireland and Britain, quickly adopted in Continental Europe.
“To do a jig”, means that the person is very happy – joyful enough to perform this bouncy dance.
Richard still needs to travel since starting his own insurance company, which is seeming less and less plausible. I’m starting to wonder if the travel thing was a complete scam right from the beginning.
The Annotated Gilmore Girls 
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