Cause everybody got guards
And they got dogs
And they got bars mane

from Tech N9ne (Ft. T-Pain) – B.I.T.C.H. Lyrics on Rap Genius

Meaning

These days most houses have security in guns, gates and dogs.

As a double entendre, it is also pointing out that it’s tough for Tech to get noticed when everyone’s rapping about their guns and their homies (dogs), and they all spit bars (lines)

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