The story
- Proto-Indo-European*gʷem-
- Proto-Indo-European*gʷémt
- Proto-Germanic*kwemaną
- Proto-West Germanic*kweman
- Old Englishcuman
- Middle Englishcomen
- Englishcome
- Englishcum
- Englishcoom
- Proto-Indo-European*bʰā-
- Proto-Germanic*bō-redup.
- Proto-Germanic*babô
- Proto-West Germanic*babō
- Old English*baba
- Middle Englishbabe
- Middle Englishbaby
- Englishbaby
- Englishboom
- Englishboomer
- Englishbaby
- Englishboom
- Englishbaby boom
- Englishbaby boomerellip.
- Englishboomerbf.
- English todaycoomer
From the Coomer meme popularized on 4chan, blending coom, an altered pronunciation of cum, with the -oomer suffix used to name Wojak characters (originally derived from boomer).
Etymology from Wiktionary, CC BY-SA 4.0.