hold over (Noun) — An official who remains in office after his term.
hold over (Noun) — Something that has survived from the past. ex. "a holdover from the sixties"
hold over (Verb) — Intimidate somebody (with a threat).
hold over (Verb) — Hold over goods to be sold for the next season.
hold over (Verb) — Keep in a position or state from an earlier period of time.
hold over (Verb) — Continue a term of office past the normal period of time.
hold over (Verb) — Hold back to a later time. ex. "let's hold over the exam"