Top definition
When a guy jacks off in bed while his partner is asleep
Girl to friend "I woke up last night to my guy doing a sneaky jack"

Guy to friend "I couldn't get my girl to wake up last night, so i had to do a sneaky jack"
by Bigworm13 October 02, 2010
Get the mug
Get a Sneaky Jack mug for your Facebook friend Abdul.