The term "ickbich" appears to be a deliberate misspelling or variation of "ick bitch," likely used as a playful or euphemistic way to express disgust or disapproval. It's mentioned in a social media post by a user named JaxMC, who asks for opinions on someone named "tox ickbich"[1]. The intentional misspelling may be used to avoid content filters or to add humor to the expression. This type of wordplay is common in online communication, where users often modify words to evade censorship or create a more casual tone.

Citations:

[1] https://twitter.com/JaxxMC/status/1757824266832150632

[2] http://newspapers.library.in.gov/?a=d&d=NAN19771110.1.14

[3] https://www.depop.com/products/ickbick-funny-graphic-tee-good-grammar/

[4] https://twitter.com/JaxxMC

[5] https://www.reddit.com/r/CrusaderKings/comments/ajuomd/how_to_stop_with_from_gregnant/