Grinchin'
To be downtrodden, pessimistic, or negative. Can be a general attitude or a response to another person's idea/comment/experience
Man...why you grinchin'?
What's with the grinchin'?
You always grinchin'.
What's with the grinchin'?
You always grinchin'.
Grinchin’
when you eat or drink a lot and feel really full with your belly sticking out like the grinch
Bro I ate this taco bell box and I started grinchin’