1. When someone is hating on you for no good reason. Like a member of the itty bitty titty committee threatening to report your photos for showing too much cleavage.

2. Synonym for "shit happens".
1. Committee, "I'm reporting your photo for nudity because you are showing a lot of cleavage."
DD, "Yeah, well, tits happen."

2. Boss, "Why are you late?"
Employee, "I don't know, tits happen."
by TitsHappen June 12, 2015
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