Definition of spittlebug
: any of a family (Cercopidae) of leaping homopterous insects whose nymphal larvae produce a frothy secretion —called also froghopper
First Known Use of spittlebug
Learn More about spittlebug
Britannica.com: Encyclopedia article about spittlebug
Seen and Heard
What made you want to look up spittlebug? Please tell us where you read or heard it (including the quote, if possible).