According to the search results, "SMK" can have multiple meanings depending on the context. Here are some of the most common meanings:

• Suck my dick: This is a slang term that originated from Tycho Braheskolan Helsingborg, Sweden, and went viral in 2015.

• Sierra Match King: This is a type of bullet used in long-range shooting.

• Scarecrow and Mrs. King: This is a TV series that aired in the 1980s.

• Slagsmålsklubben: This is a Swedish electronic band.

• Software MacKiev: This is a company that ports Windows brands to the Macintosh platform.

• Sekolah Menengah Kebangsaan: This is a type of national secondary school in Malaysia.

• Smoke: This can refer to smoking marijuana or tobacco.

• Shared Management Knowledge: This is a term used in business and management.

• Service Master Key: This is a type of encryption key.

• System Multipurpose Key: This is a type of key used in security systems.

Its important to note that "SMK" can have other meanings depending on the context, and its always best to consider the context in which the term is being used to determine its meaning.