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1.
A term derived from "bad hair day." A bad pube day occurs when a person has not trimmed his/her pubic hair, and it looks fucked-up and disgusting.

It may also be used metaphorically, and mean that you had a bad sex experience in the morning, and it caused a bad attitude for the rest of the day.
EXAMPLE #1
Joe: Dude, whats with your pubes?

John: I didn't have enough time in the morning to trim them.

Joe: That sucks. I hate bad pube days. It looks like Donald Trump down there.

Boss: Alright guys. You've been by the watercooler for too long. Back to work!

EXAMPLE #2
Joe: Hey John. Did you send that fax yet.

John: SHUT THE FUCK UP. I'M ON IT!

Joe: What his problem?

Boss: He came too fast this morning and his wife got REALLY pissed. This is probably his most intense bad pube day I have ever seen.
by rogerthewale October 21, 2010