blam

By onomatopoeia.

blam (plural blams)

1. A sudden, explosive sound, such as is made by a gunshot

   He kicked in the door with a blam.

blam

1. A sudden, explosive sound, such as is made by a gunshot

   That the last zombie? Here. Let me get that for ya. *BLAM!*

Blend of blog +‎ spam

blam (uncountable)

1. (Internet, informal) spam posted to a blog
   • 2012, Martin Peitz, ‎Joel Waldfogel, The Oxford Handbook of the Digital Economy

     […] we refer to unsolicited and unwanted advertising as spam. The phenomenon is widespread, and has led people to coin terms for it in other information product or service contexts, such as splog or blam (unsolicited advertisements in blog comments), spim (instant messaging), […]

   • 2014, Nicolae Sfetcu, Internet Marketing, SEO & Advertising

     To counter this effect, spammers attempt to create links to their sites on other people's pages. The most common targets for this kind of spam are weblogs, the spamming then being known as blog spam, or "blam" for short.

• ALBM, BAML, LBMA, Lamb, balm, lamb

Back-formation from blamírati.

blȃm m (Cyrillic spelling бла̑м)

1. (Serbia, colloquial) (feeling of) embarrassment

• blamáža (“(an instance of) embarrassment”)
• blamírati (“to embarrass”)