Answer: goop

AnswerCrossword Clue
GOOP

Rude person

GOOP

Burgess creation.

GOOP

Symbol of bad table manners.

GOOP
Boorish creature.
GOOP
Boorish fellow.
GOOPGelett Burgess' nonsense creature.
GOOPBurgess' finger-licking being.
GOOPNonsense creature, from 1900 book.
GOOPGelett Burgess creature.
GOOPSticky substance: Colloq.
GOOPGelett Burgess's invention.
GOOPNonsense creature.
GOOPNonsense character.
GOOPChild lacking manners
GOOPChild with poor manners
GOOPBurgess creature.
GOOPSticky blob
GOOPMud
GOOPSlime
GOOPTar, e.g.
GOOPSticky, viscous stuff
GOOPGreasy kid stuff
GOOPMessy gel
GOOPSticky, wet stuff
GOOPSticky semiliquid
GOOPGooey stuff
GOOPIcky or sticky stuff
GOOPMuddy stuff
GOOPYucky gunk
GOOPIcky sticky stuff
GOOPStuff to smear
GOOPSlimy stuff
GOOPViscous gunk
GOOPViscous stuff
GOOPSticky substance
GOOPGunk
GOOPHand-cleaning brand
GOOPYucky stuff
GOOPSticky gunk
GOOPCause of a sticky situation?