Type /emote along with the emote type to make an emote. The following tsw emotes are available in the game:

accuse

applaud

arrogant

blowkiss

bow

cartwheel

checktime

cheer

clap

clapexcited

cough

covereyes

crossedarms

cry

digmusic

drink

facepalm

funkychicken

giggle

graffiti

handbehindback

handsonhips

headstand

jazzhands

kickdirt

laugh

lol

lookleft

lookright

lookup

meditate

moonwalk

phone

pickupitem

point

pray

preach

punkstance

pushups

rockonheels

rubface

scaredcower

scaredlook

score

scrachchin

scrachneck

showfist

shrug

shy

sit

sleep

slouch

snapsnaphoney

spit

stretch

talktothehand

tapdance

thank

wavebig

wavesmall

wounded

yawn

yawnbig