This is a list of similes. These are expressions that make comparisons between two different things that aren't obvious.

Here is a commonly used simile:

lug; sor rur
lugh; Sor rur
correct as a tree

If someone is compared to a tree, it means that the speaker believes what that person has said it true or correct:

DaHpo SoQlIj vIQoy. Sor Darur
This morning I listened to your speech. You are correct

puj; biq rur
puj; bIQ rur
weak as water

bir; bortas rur
bIr; bortaS rur
cold as revenge

hos; ziw rur
HoS; 'Iw rur
strong as blood

zoj; bomwiz rur
'oj; bomwI' rur
thirsty as a singer

guf; kag rur
ghung; qagh rur
hungry as gagh

jed; geviz rur
jeD; ghevI' rur
thick as gagh sauce

mig; molor rur
mIgh; molor rur
evil as Molor

foz; qiztuz rur
ngo'; QI'tu' rur
old as Qui'Tu

kej; veklarg rur
qej; veqlargh rur
mean as Fek'lhr

kuvhaz; geztor fan rur
quvHa'; ghe'tor ngan rur
dishonored as an inhabitant of Gre'thor

wov; gizboj sec rur
wov; ghI'boj Sech rur
bright as the Torch of G'boj

jej; daktag rur
jej; Daqtagh rur
sharp as a d'k tahg

lozlahbez; cetviz cim rur
lo'laHbe'; chetvI' chIm rur
worthless as an empty torpedo tube

yud; jeyznas rur
yuD; jey'naS rur
dishonest as a double-headed ax

dog; tiglaz rur
Dogh; tIghla' rur
foolish as a t'gla

xib; toppaz rur
tlhIb; toppa' rur
incompetent as a topah

bit; tizkaz vigroz rur
bIt; tI'qa' vIghro' rur
nervous as a tika cat

tun; regulus ziwgarg rur
tun; reghuluS 'Iwghargh rur
soft as a Regulan bloodworm

nas; norg rur
naS; norgh rur
vicious as a norg

xab; fem hazdibah
tlhab; ngem Ha'DIbaH
free [or independent] as a forest animal

maxhaz; romulusfan rur
matlhHa'; romuluSngan rur
disloyal as a Romulan

kur; verefan rur
qur; verengan rur
greedy as a Ferengi

wih; hurzikfan rur
wIH; Hur'Iqngan rur
ruthless as a Hur'q

hoj; terazfan rur
Hoj; tera'ngan rur
cautious as a Terran

hem; xifan rur
Hem; tlhIngan rur
proud as a Klingon

val; huyz rur
val; Huy' rur
clever as an eyebrow

ziq; rav rur
'IQ; rav rur
sad as a floor

sag; hozzoyz rur
Sagh; Ho''oy' rur
serious as a toothache

boc; gic rur
boch; ghIch rur
shiny as a nose