cap

Synonym to lying.
Etmyology is based on the innate nature for a capricorn to lie.
Other star signs are exempt from the limitations of the cap, but are welcome to use it.

No cap means to not lie.

Steve: I've been working out non-stop.
Steve's girlfriend: That's a load of cap. I saw you scarfing down a donut last tuesday.

Jenny: My birthchart told me I was gonna meet a cute guy tonight.
Melvin: No cap, I can be that cute guy for you baby.