go down the drain
vitreal
katagelastic
humoursomeness
risible
laughlike
joking
Turkish toilet
facetious
mockingstock
toilet water
humourise
humorise
deadpan
go to the bathroom
humouredly
jokiness
go to the restroom
bahaha
use the bathroom
use the restroom
laugh on the wrong side of one's face
laugh on the wrong side of one's mouth
laugh at
humorism
jocosely
punch line
self-mockery
yuk
jocular
stop the lights
funny peculiar
jokefulness
laughability
humourize
ill humour
amuse
chuckling
risorial
snort
humour
mickey-take
snicker
khazi
humor
vitreally
snigger
hehe