NDDKSKAK

an exclamation used when a person is overwhelmingly overjoyed. pronounced "nuh-d-kuh-sk-ahk"
must be in all caps

Person A: Will you marry me?
Person B: NDDKSKAK!!! YES!!!!!!!!

bazongahongadingawhookeylumpy

I don't know what it means, why are you asking me?

Person A: Bazongahongadingawhookeylumpy
Person B: Wtf does that mean

doink

Fall asleep quickly
Synonyms: Sleep, crash, pass out

Person A: Alright guys, see you later. I'm probably gonna go doink.

B`

What you can say if you just don't feel like saying the B word.
No B-word in particular, just like... it could literally be any of them. Use context clues to figure out which one might be referred to when used in a sentence.
Also sometimes spelled as B*, B-, B), or simply just B.

Person A: What's up, B`?!

Blopplegooba

A crossword game with made up words, typically for the purpose of a quick laugh or to confuse the player.

I found this crossword website, but I couldn't beat it! One of the words was "fenctibrate", so it was totally just a blopplegooba.