When you stick two fingers up another persons anus, but you do it every couple of minuets. Since a regular mexican-oil change keeps adding oil, you keep adding your finger.
She was getting clogged up back there, so I gave her the 2 fingered mexican oil change, and now she "runs" clean.
by Kevin Benson December 4, 2007
Get the 2 fingered mexican oil change mug.