Full or packed (with some material or substance). / (cooking) Filled with seasoning. / (slang) Full after eating. / (Australia, New Zealand, informal) Very tired.

(idiomatic, informal) One who is pompous or self-important, especially one who is officious in a position of authority. / (usually hyphenated) Used attributively.

(genetics) A section of DNA contained within the genome of lambda vector that is replaced by the DNA to be cloned.

One who, or that which, stuffs. / A taxidermist. / Something which is stuffed into an enclosure, especially an advertising circular included with other mail.

(UK, colloquial, dismissal, euphemistic) Used to tell somebody to go away or to leave one alone.

blocked; stuffy; congested / (Britain) In a terrible state; messed up.

simple past tense and past participle of stuff up

(idiomatic, simile) Very full from overeating.

(US) A soft toy in the form of an animal. / An animal that has undergone taxidermy.

Alternative spelling of stuffed up