(v.) The act of giving oneself manual stimulation or pleasure via hand and penis. It is done by stroking oneself repeatedly; masturbation; jacking off.
Matt: Yo where have u been this last hour?
John: Just catching up on my reading.
Matt: Bullshit, you were probably jeffin it
John: You got me
1.when Jeff comes home from school he's jeffinitely gonna take a nap.
2.he's jeffinitely gonna b in a bad mood today.
3.u want a Dr. thunder?
yea, jeff (y'no instead of def)
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."