The special time of day when you're about to sink a fat cone/bowl.
"guess what lads? It's cone o'clock!"
"fuck yeah, wait a sec so I can pack one"

"Excuse me young man, do you know what the time is?"
"Ummm ..."

*looks at wrist*

"yeah it's cone o'clock"
by dr_habib February 7, 2018
Get the Cone o'clock mug.