L
leeders or leaders
Translation: ligaments and/or tendons
Sample Usage: "I can't do my stretchin' cuz my leeders are all stove up."
limp noid
Translation: lymph node
Sample Usage: "I noticed a lump in my neck and my doctor said it was a limp noid." Submitted by Dr. Anonymous.
lycra
Translation: Lyrica (the medicine)
Sample Usage: "My doctor just started me on lycra." Submitted by Mike D.