Holy Moly ... watch your mouth, Bruceypants! And speaking of pants, would it be too much to ask one of his fashion-forward daughters to help him pick out some jeans that aren't sorta reminiscent of JNCOs?

After church in Calabasas on Sunday, Bruce Jenner dropped the f-bomb on photographers and proceeded to call them "bottom feeders" when asked why he was so pissy. Wonder why he's always in such a bad mood?! Every time we snap everyone else in the family, they're either smiling or politely declining to answer questions about their personal lives.

Seriously ... sourpuss city!

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