Having the size (and approximate form) of a fist

Alternative form of fun size

(humorous) Used to assert the opinion that sexual partners prefer men with larger penises, or that penis size has an effect on the quality of an act of intercourse.

plural of effect size

(statistics) A measure of the strength or magnitude of the effect of an independent variable on a dependent variable in an experiment or a quasi-experiment.

(marketing, singular only) A size for a container of goods, among the largest sizes meant for sale to a householder consumer.

(singular only, marketing euphemistic) A small size.

(marketing) Small in size.

Indicates that the speaker needs a smaller size (of clothes or shoes).

plural of plus size