deadly

To drive(by yourself) 6-999,999,999,999,999,999,999 both legal and new Bentley motor vehicles at a time without any help WHATSOEVER.

Wow, that kid really is, deadly.

by not legally GTA_DEADLY August 27, 2023

deadly

incredibly ill performance of a smoking tool(referring to bud)

"Yo, that bong is deadly!"

by ILL SILVS March 12, 2010

deadly

Something that can kill you. Fast. Like me.

SHIT MAN! That axe is deadly!

by Your Ass September 28, 2003

deadly

An adjective that means:

1. Can kill
2. Is able to kill
3. Yo' mamma

"This here snake is deadly, son. AHHH!!!"
"I fucked dealy last night."

by Kitty-Kat-Killer(KKK) September 29, 2003

deadly

Life threatening

Don't drink the poison, as it is deadly.

by Paul September 29, 2003

deadly

To "get deadly" means to take ecstasy.

Guy 1: hey Seánhead, are you gettin' deadly tonight?

Seánhead: I'm quite clearly off my face

by Samwab April 5, 2008

deadly

Describes something that has the power to make you dead.

It was a deadly mistake for Dan to go bowling that day. The mysterious guy who hates bowling killed him.

Sega made a deadly mistake with the Sega saturn. It died and was unpopular.

The venom of that snake is quite deadly.

by Sega Slayer February 10, 2007