spunkcloth
A spunkcloth is any material used to wipe up semen after ejaculating and no tissues to hand. Examples include the curtains, duvet cover, hand towel or items of clothing.
"Shit out of tissues, nevermind the curtains will have to make do as a spunkcloth"
"Last night was shagging this girl in alleyway, whipped it out and used her skirt as a spunkcloth!"
"Last night was shagging this girl in alleyway, whipped it out and used her skirt as a spunkcloth!"