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5. deadly
Something that can kill you. Fast. Like me.
SHIT MAN! That axe is deadly!
by Your Ass Sep 28, 2003 add a video
1. Deadly
A word very commonly used by the irish to describe something beyond great.
Jamo's gaff is fuckin' deadly.
by Wezz Nov 17, 2004 add a video
2. 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 Sep 28, 2003 add a video
3. 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."
4. deadly
Life threatening
Don't drink the poison, as it is deadly.
by Paul Sep 29, 2003 add a video
6. 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
7. deadly
incredibly ill performance of a smoking tool(referring to bud)
"Yo, that bong is deadly!"
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