From English grease +‎ -im.

grisim trans.

1. to grease

From gris (“flattery”) +‎ -im.

grisim trans.

1. to flatter
   • 1989, Buk Baibel long Tok Pisin, Port Moresby: Bible Society of Papua New Guinea, Jenesis 3:13:

     Orait God, Bikpela i askim meri olsem, “Watpo yu mekim dispela samting?” Na meri i bekim tok olsem, “Snek i grisim mi na mi kaikai pikinini bilong dispela diwai.”

     →New International Version translation