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2.
Incessantly checking your bank account balance for fear that checks won't clear due to a low balance.
Jack David: "Mom, stop looking at your IPhone. I've got to get to practice."

Mom: "Sorry, son, but I gotta check my account online. Ever since your Dad lost his job I got a bad case of banxiety."
by HotwheelsJD December 31, 2012
 
1.
Adj. -- The fear that your sexual performance will not live up to your partner's expectations.

Also, Banxious
Guy: Hey baby, maybe I better just go home tonight.
Gal: What's the matter, dude? Feeling some banxiety?
Guy: Yeah, that's about right.
by Silverstoned September 30, 2004