adj

• (not comparable) Of, related to, intended for or involving the anus. [from 18th c.]
  "anal thermometer"
• (psychoanalysis) Of the stage in psychosexual development when the child's interest is alleged to be concentrated on the anal region. [from 20th c.]
• (psychology, also vulgar informal) Of a person, compulsive and stubborn, obsessed with neatness and accuracy (usually in an egosyntonic way), supposedly from not having progressed beyond the anal stage. [from 20th c.]
  "Please don't touch his furniture, as he can get very anal about things like that."
• (informal, vulgar) Of tasks, questions, subject matter, etc., obsessively fussy or precise.
  "This questionnaire goes into the most ridiculous amount of detail. It's totally anal."

noun

• (countable) Any of the anal scales of a reptile.
• (uncountable, informal) Anal sex.
  "In the right mood, I'll accept anal."

verb

• (transitive, slang, rare, chiefly in pornography) To penetrate anally.
  "The man with the small cock analed the hot chick."