A pregnant woman (maka-, -om-) bumps her buttock during delivery.
Ilo. teptép 'to level off the ends of rice straw; to knock a sheaf of paper to put them in order'
Chiban mo tan dyi ka makateptep.
Be careful so that you do not bump your buttocks.
Tomeptep ka an dyimo a kaganayen maydisna.
You will bump your buttocks if you do not sit properly.