Equivalent to neek,
NErd+
geEK=neek therefore gerd=GEek+
neRD. Its often someone who think they do anything and/or doesn't take any advice from others. They go out of their way to work/learn. They often don't know slang.
person 1:"yo Harry come play
COD with us when u get back ye, Jake just got the
game and he's tryna rank up."
person 2:"sorry, no because my teacher would be very disappointed in me if I do not complete the
work she has set"
person 1:" oh my daaaaaze man why you such a gerd lately. "