LOL, it looks like a cracked thumb indeed.It might as well read, “I’m a absurd munchie” It goes well with her vlog mask.
I guess it’s appropriate she has a joke car sticker that only nursing home residents or staff would get. Everyone wonders why she has a giant thumb or condiment on her car.
"Well, I guess crap happens!" ¯\_(ツ)_/¯