To
impose unwanted responsibility upon; to
nag or
harass someone, especially to do something they don't want to do. To harsh someone. Can also be used as a noun to indicate someone who engages in the act of "monting."
"My
boss wants me to do all this work before the end of the day.. he's really monting me" or "
My mom won't
stop yelling at me; she's being a real mont."