Manvalanche

Half man, half avalanche.

Whoa! - Manvalanche, beware.

by Deadly Rob March 28, 2008

manvalanche

masturbation over the open mouth of one's sleeping romantic partner.

My woman fell asleep early last night, leaving me frustrated and triggering a manvalanche.

by maupin August 30, 2012

manvalanche

an abrupt and uncontrolled falling of a very large man

After almost falling out of bed, my husband proclaimed, "Wow! That was almost a manvalanche!"

by adc11 October 05, 2008