by Earth Worm Sally November 28, 2018

the term denotes any person who holds the occupation of a teacher but does not teach very well, if at all; "teacher" doesn't "teach;" removing the word "teach" from the word "teacher" and all that is left is "er"
Person A: I didn't learn a single thing in my entire semester of medicine because of Ms. M!
Person B: She's a total er, dude.
Person B: She's a total er, dude.
by janduke hichot October 16, 2014


by s4t4nn567 December 24, 2021

Someone, 13 and above, Having skills similar to that of a Toddler or a Pre-schooler.
Commonly used in a Derogatory way.
Commonly used in a Derogatory way.
by Toddlideus March 21, 2023

That Redditor is such a 120'er!
My Professor thinks he's smart, but he's such a 120'er!
120'er moment.
My Professor thinks he's smart, but he's such a 120'er!
120'er moment.
by Monkey Putin March 31, 2023

When a monkey looked at the world, and realized that some things are things, and some things are not things.
The emergence of pre-er modernism was so radical that it caused a poop-flinging war that has raged through the ages and now goes by the name "philosophy".
by PoonForce2 February 18, 2010
