When a male 'lets his load out' in ones eye. Mannecin is in the eye unless specified by a word after mannecin. See exeample below.
I mannecined your mom. That means I jizzed in your mom's eye. However if I say I mannecined in your moms ear, that means that I jizzed in your moms ear, ect.
by MannecinMaster November 09, 2006