A negative adjective to describe someone or something with one or more of these traits: slim, tall, irrational, difficult, problematic, naive, overall shitty.
"Don't be such a twimbly bitch!"
"I'm having a pretty twimbly day."
"This is such a twimbly fucking test."
A moderately nice a cutesy name to call someone when people flirty
Crush: hey “insert name”
Me: hey ya twimble