A doctor is going about his business, with a rectal thermometer tucked behind his ear.
He goes into a staff meeting to discuss the days activities, when a co-worker asks why he has a thermometer behind his ear?
In a wild motion he grabs for the thermometer, looks at it and exclaims: "Damn, some asshole has my pen!"
A woman enrolled in nursing school is attending an anatomy class. The subject of the day is involuntary muscles. The instructor, hoping to perk up the students a bit, asks the woman if she knows what her asshole does when she has an orgasm.
"Sure!" she says, "He's at home taking care of the kids ..."