ded mem is a mem gon old like the books inn ur attic that u havent touched for a century.u know back in mah ddays we used to to say lol like it meant like it meant laugh out loud now we say it when people make fun of you.
Person GenY 1324: Before i had social anxiety, i used to lol a lot.
Person GenZ/Alpha 13464: U bullied people?!
Person GenY 1324: No I laughed a lot.
Person GenZ/Alpha 13464: Thats a ded mem.
Person GenZ/Alpha 13464: U bullied people?!
Person GenY 1324: No I laughed a lot.
Person GenZ/Alpha 13464: Thats a ded mem.
by some person on the interent August 6, 2022
Get the ded memmug. Only true giga chads know this word it is known as big dick energy and a way to speak to the mighty kimten
by BigDomShlong January 11, 2024
Get the mem mem mairemug. 
by nachozz February 19, 2018
Get the fantastically fast memmingmug.