Definitions
1.nounThe immature young of a marsupial, notably a junior kangaroo, but also a young wallaby, koala, etc.
2.nounThe shorter word whose letters can be found within a kangaroo word.
3.nounA parcel smuggled in to an inmate.
4.noun(circus) A kind of clown.
5.nounA member of the Royal Marines.
6.nounA person with cerebal palsy.
7.nounA stupid person.