When one walks up to a friend or partner, and gently taps them on the gluttious maximus; and the recipient of the touch pulls away as if he or she is being penetrated. Then one would be considered anal squeamish.
Harry:Hey man hows it going? (Taps Llyod on the gluttious maximus)
Llyod: WHOA!!! (Jumps for fear)
Harry: What are you? Anal Squeamish?