When one masturbates and is on the brink of orgasm and one knows they can't hold it back any longer the face that follows is known as Vinegar Strokes
Jon: Yo man, I came so hard yesterday and my girl took a picture of my face!
Josh: HA! lemme see the picture!?--WHOA! nice VINEGAR STROKES bro!
The act of eating skittles by a handful. Typically without looking at the flavors/colors you chose
Sales Lady: "you just mixed em all up again!"
Marshawn: "I know i had to get a little gumbo mix going on."
~Watch "Marshawn Lynch sells Skittles on EVINE Live" where this term originates from.
(3:15-3:22)