MAILVALANCHE 

when you get home after a nice couple relaxing days away and the mail completely overwhelms your mailbox, falling out at your feet like a small little avalanche

(girl walks in the door) "honey is that you?, i cant see from under this avalanche of mail, MAILVALANCHE!!!"

MAILVALANCHE by take$ December 21, 2010

Manvalanche 

Half man, half avalanche.

Whoa! - Manvalanche, beware.

Manvalanche 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.

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!"

manvalanche by adc11 January 17, 2009