か何か

or something

→ か
phrase Rare #38,322
or something Used after a noun to suggest that noun or something similar. It can make a request or suggestion sound less specific.
JA: 映画か何か見に行かない?
EN: Why don't we go see a movie or something?

ホットドッグか何か食べに行こう

Let's go get a hot dog or something.

コーヒーか何かお飲みになりませんか

Would you like some coffee or something?

オレンジジュースか何か欲しいな

I feel like having some orange juice or something.

メモ用紙か何か貸してくれ

Could you lend me a piece of paper or something to take notes on?

phrase Rare #42,173
or something Used after a noun or phrase to suggest an uncertain or approximate example. In casual speech, it is often pronounced and written かなんか.
JA: 駅でコーヒーか何か飲まない?
EN: Want to have coffee or something at the station?

親戚か何か

Are they related or something?

— ニュー・シネマ・パラダイス (1988)

大きな裂け目か何か探すんだ

Look for a large crack or something.

— アトランティス 失われた帝国 (2001)

下水工事か何か

Some kind of sewer work or something.

— フォーリング・ダウン (1993)