What is Ummer?
1.
An insane gamer who goes all night until 7:00 in the morning and then passes out.
I CAN'T STOP GAMING I AM AN UMMER!!!
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2.
A big fat shit with no friends
Wow that guy is such an ummer
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3.
A way of introducing a boyfriend, girlfriend, or lover when you don't wish to say any of the free. The name comes from the fumbling you do when you introduce them: "This is. . .um..er..."
"This is my ummer, Olivia."
"Mom, this is um. . .er, David."