look up any word, like kappa:
 
1.
A title given to idiots, especially in video games, who think it is a good idea to stop in the middle of door openings and attempt to shot back, all while blocking some or all of their teammates.
Fucking door stopper got the whole team killed!
by DeeJaeRex May 12, 2011
 
2.
A penis so huge that it can stop doors
'Jacob: "What is slang for 'big penis'? 'Door stopper?'"

Crowd: lololololololololololololololololol
by Bowieregard December 15, 2010
 
3.
"Commonly mistakened for a object that stops doors. It is infact an adjective used by few like James Greg Dyas. The actualy definition of word is it describes an immensely beautiful person but the real beauty it emphasizes on is the inner beauty of a person with high value to user who describes them."
Greg: "Yah that girl Kayla Is a Real Door Stopper!"
Fahad: "Yah buT your my Door Stopper!"
Greg: :o
by Greg August 25, 2004