Manual stimulation of one's own genitals
for pleasure, usually but not always to the point of orgasm
. While views on the subject differ greatly among various groups, it is generally viewed as an activity whose primary purpose and effect is self-gratification; hence the term (or its synonyms, particularly 'wanking
') is commonly used as a pejorative metaphor for other activities that are viewed by the speaker as accomplishing nothing besides self-gratification, such as self-aggrandizing internet trolling
or focusing one's study on certain poorly defined subjects or doctrines, particularly in the Humanities.