Someone (mag-) gargles, rinses the mouth (-an) with something.
mulúmog
garalgal
Magmolomog ka so Listerine.
Gargle with Listerine.
Molomogan mo so ranom dangoy mo.
Rinse your mouth with water.
Someone has someone (pay--en) gargle, rinse the mouth.
Paymolomogen mo so ranom iyaw anak mo.
Have your child rinse his mouth with water.