Cum on my Hanky 

when a hanky is used as a turn on during masturbation / sex
or used as a target to ejaculate onto

Woman (unfolding her hanky onto mans stomach while masturbating him)
"Are you going to cum on my hanky baby?"
Man
"Yes..... Ahhh Ahhhhh Ahhhhhchooooo...." (man ejaculates all over womans hanky)

Or

Man "Dude did you just cum on my hanky?"

Cum on my Hanky by My Hanky Cum April 27, 2008