A male, or
description of behavior by a male, that is
talking to, being nice to, paying attention to a female for the express purposes of gaining sexual affection from said female without being explicitly honest about his intentions.
Often performed in a creepy, obsessive or
underhanded manner.
Also, often a Schmeagle raises suspicions from other males Samwise as to his nefarious intentions but manages to avoid any such suspicions from the female Baggins.