The connotation that your "free-time" on the weekends to enjoy yourself, seems to speed by much faster than your work week. Can also be used in the opposite way (reetickulously slow).
Bar setting:

"PJ what time you got?"
"12:50... almost last call"
"Damn! Tonight is retickulous, I feel like we just got here."
by Matty F. June 28, 2007
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