Back to the grinding baby https://t.co/neTGASDRXx
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Jetty | Singapore Amateur Rowing Association
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TEBAN GARDENS
3853; ChIJacAbgb8a2jEROSy6309FuOo; ChIJacAbgb8a2jEROSy6309FuOo; ChIJacAbgb8a2jEROSy6309FuOo
['back', 'grinding', 'baby', 'https://t.co/netgasdrxx']
['baby', 'baby', 'grinding']
back grinding baby
back grinding baby
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post "back grinding baby" does not have any relation to a maintenance report feedback for a public flat house. It is possible that the user is simply expressing their enjoyment of the sound of a baby's back being ground, or that they are using the phrase in a different context. Without more information, it is difficult to determine the exact meaning of the post.