simple past tense and past participle of stuff up

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

(idiomatic, simile) Very full from overeating.

present participle of stuff up

(SEO) The act of filling a website with keywords in the attempt to boost the website's position in online search rankings.

(telecommunications) The insertion of non-information bits (binary digits) into a data stream.

Alternative form of stuffing box

(computing) A kind of cyberattack in which a large batch of account credentials stolen from one service are tried against another service in an attempt to log in.

(engineering) An assembly containing a seal, or sealing material, around a shaft.

The fraudulent business practice of inflating sales figures by forcing more products through a distribution channel than the channel is capable of selling.