Reverse Dictionary: UPTIGHT

ADJECTIVES
WIRED uptight, anxious, nervous → 1970 Amer. sl.

NOUNS – PERSON
STUFFED SHIRT an uptight, pretentious person → 1913 colloq.

VERBS
► KEY
to get ready, to prepare and become nervous; to get uptight → 1970 US students’ sl. (Bk.)