transitive + intransitive
1
: to write or draw hastily or carelessly a note scribbled on the back of an envelope Harriet scribbled in her notebook as soon as she took her seat. Louise Fitzhugh He took a stump of lead pencil out of his pocket and scribbled a moustache on the lion's upper lip and then a pair of spectacles on its eyes. C. S. Lewis 2
: to fill or cover something with careless or worthless writings or drawings … papers … scribbled over with clues … English Digest