gooseberry.

A fruit of species Ribes uva-crispa, related to the currant.

We had a good haul of gooseberries from our bushes this year.

Any other plant or fruit in the subgenus Grossularia, distinguished from currants by bearing spines, including Ribes hirtellum (American gooseberry).

Any of several other plants that are not closely related but bear fruit in some way similar: Chinese gooseberry or kiwifruit, the edible berry of a cultivar group of the woody vine Actinidia chinensis var. deliciosa and hybrids between this and others in the genus Actinidia

Any of several other plants that are not closely related but bear fruit in some way similar: Indian gooseberry (Phyllanthus emblica), emblic, amla.

Any of several other plants that are not closely related but bear fruit in some way similar: Ceylon gooseberry, a species of Dovyalis native to Sri Lanka and southern India

Any of several other plants that are not closely related but bear fruit in some way similar: Barbados gooseberry (Pereskia aculeata), an unusual cactus

Any of several other plants that are not closely related but bear fruit in some way similar: Long Key locustberry or shiny locustberry (Byrsonima lucida)

Any of several other plants that are not closely related but bear fruit in some way similar: Jamaican gooseberry tree (Phyllanthus acuminatus), a herb-like plant

Any of several other plants that are not closely related but bear fruit in some way similar: star gooseberry Otaheite gooseberry (Phyllanthus acidus)

Any of several other plants that are not closely related but bear fruit in some way similar: star gooseberry Katuk (Sauropus androgynus), a shrub grown in some tropical regions as a leaf vegetable

Any of several other plants that are not closely related but bear fruit in some way similar: Physalis angulata, also called balloon cherry and cutleaf groundcherry

Any of several other plants that are not closely related but bear fruit in some way similar: Cape gooseberry (Physalis peruviana), indigenous to South America

Any of several other plants that are not closely related but bear fruit in some way similar: poison gooseberry (Withania somnifera)

A chaperone.

An additional person who is neither necessary nor wanted in a given situation.

Robert and Susan were so in love with each other that nobody could go near them without feeling like a gooseberry.

A fool.

A fantastic story; a tall tale; a hoax.

A testicle.