What is Two Finger Mexican Oil Change?
1.
The sexual act of placing a finger in your female sexual partners anal canal and vaginal canal simultaneosly to check her viscosity of either entrance. Then as the mechanic on duty you determine if she is a quart low and you give it her anally or vaginally after you attain the proper lubrication on your dipstick.
Lastnight as a part of foreplay I gave Jane a "two finger mexican oil change prior to having sex"
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1.
When having sex, just as the female reaches climax the man throws a plastic bag over her head and rides the simultaneous action of orgas..