A shmoo (plural: shmoon, also shmoos) is a fictional cartoon creature. Created by Al Capp (1909–1979), it first appeared in his classic comic strip Li'l Abner on August 31, 1948, and quickly became a postwar national craze in the USA.

Shmoo
Shmoo
Shmoo Plots - the Black Art of IC Test
Shmoo plotting: the black art of IC testing
Shmoo plotting: the black art of IC testing
A high-speed boundary search Shmoo plot for ULSI memories
Case Study: Failure Analysis of Functional Shmoo Hole with Laser Voltage Probing
Afr1p has a role in regulating the localization of Mpk1p at the shmoo tip in Saccharomyces cerevisiae
Mating-type-specific cell cycle arrest and shmoo formation by α pheromone of Saccharomyces cerevisiae in Hansenula wingei
The minus end-directed motor Kar3 is required for coupling dynamic microtubule plus ends to the cortical shmoo tip in budding yeast.