junk
n.— «Finch—When the guy tucks his junk between his legs and gets head from behind.» —“From Your Sex Instructor: Vocabulary, Part II” by Forsaken_1_member@newsguy.com Usenet: alt.fan.robert-jordan Sept. 10, 2002. (source: Double-Tongued Dictionary)
Further reading
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...