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stuff

1 stuff /ˈstʌf/ noun
1 stuff
/ˈstʌf/
noun
Britannica Dictionary definition of STUFF
[noncount]
informal
: materials, supplies, or equipment
: a group or pile of things that are not specifically described
informal used to refer to something when you do not need to name exactly what it is
see also hot stuff, kid stuff
informal used to speak in a general way about something that is talked about, written about, etc.
informal used to describe the quality of a performance, experience, etc.
informal : actions or behavior of a particular kind
: personality or character
: the material that something is made of often used figuratively
baseball : the ability to throw pitches that are hard to hit

and stuff

informal
used in speech to refer to things that are similar to the thing just mentioned

do your stuff

informal
: to do the things that you are able to do well : to do things that you are known for doing

know your stuff

informal
: to be an expert at something

show your stuff

informal
: to show what you are able to do : to show your skills

strut your stuff

see 1strut
2 stuff /ˈstʌf/ verb
stuffs; stuffed; stuffing
2 stuff
/ˈstʌf/
verb
stuffs; stuffed; stuffing
Britannica Dictionary definition of STUFF
[+ object]
: to fill (something) so that there is no room for anything else
often used figuratively
: to push (something) quickly and carelessly into a small space usually + into
: to put a seasoned mixture of food into (something that is being cooked)
: to fill the skin of (a dead animal) so that it looks the way it did when it was alive often used as (be) stuffed

stuff it

informal
used as an angry and rude way to say that you do not want something or are not interested in something

stuff the ballot box

see ballot box

stuff yourself

informal + often disapproving or stuff your face
: to eat a large amount of food