handfucker
fapper
masturbator
onanist
female masturbator
masturbatorily
wankette
masturbatrix
jerkoff
flog the dolphin
tug
mass debate
tosser
fap
wank
one off the wrist
jerk off
hand shandy
jerking off
self-pleasurer
yank
master baiter
death grip
crank it
fapstronaut
masturbationlike
wankjob
Hand Solo
posh wank
Mother Thumb and her four daughters
Rosie Palmer and her five sisters
burp the worm
self-pleasing
shake hands with the unemployed
pull one's pud
rub oneself off
crank one out
knock one out
rub one off
pleasure oneself
autoerotism
solo sex
make the bald man cry
whittle the whalebone
jill
jerk
paw off
pull off
jock
buff the muffin