Meaning good, great, brilliant, and often used sarcastically meaning the opposite.
"She looks pretty crash hot in that outfit!"

"Your spelling isn't too crash hot."
by insidious_fix June 14, 2006
Get the crash hot mug.
A word used by Mr. Phillip Wise describing how one is feeling unwell or not feeling their best.
"Guys, I'm not feeling crash hot, you'll have to be quieter!"
by twizt July 8, 2004
Get the crash hot mug.