Someone who has frequent sex, with anyone who will stoop low enough to fuck them, regardless of physical appearance and/or hygiene.
"So I heard you're dating that new waitress..."
"Yeah, why?"
"Dude, she's a doorknob -- everyone gets a turn. I tagged her twice last month. I saw your dad coming out of her apartment yesterday."
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Known for being illegal to lick on other planets
"Remember, licking doorknobs is illegal on other planets" โSpongebob
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A complete idiot who doesn't have a clue about anything.
A: that new song by greenday is awesome!
D: whats greenday
A: you're such a doorknob sometimes
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This is what you say when someone else farts and you notice it before they say saftey ,you say doorknob. You can punch them until they toucha doorknob.
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Deadpool's name for his guns.
A recurring gag of Deadpool's is when he calls his guns "doorknobs", only to confuse both allies and enemies.
"Doorknobs don't kill people; I kill people." ~ Deadpool
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A farting game. When someone farts who is playing the game, he/she must say "safety" before another participant says "doorknobs." If "doorknobs" is spoke before "safety," the farter can be punched in the shoulder unless said farter touches a doorknob. When played by veterans, the pre-fart safety, "pre-safety," can be employed for no more than two minutes to allow for those times of uncertain gastric distress.
Me: <fart>
Other: "Doorknobs!"
Me: Moves toward closest doorknob too slowly.
Other: <smacks me in the shoulder hard>
Both: Laugh.
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