The top 20 most publicly mentioned users are:

stux
p
sjw
georgia
matrix
a7
11112011
jojo
jasonl8446
prodigal
bagofshit
abloo
amerika
mguy3790
sev
sexualizer
kumicota
tinfoil-hat
blight
shit

The top 10 most publicly popular hashtags are:

nsfw
cuteposting
elfposting
konosuba
megumin
finalfantasy
fireemblem
blonde
slimeposting
monogatari