a person with low intelligence that acts hyper in any situation. and doesnt realize they are doing it
you are such a sackmonkey
by snoopman May 02, 2009
1 more definition
A male or female who hangs from their partners sack while throwing there feces in a sexual way around their partner.
John i heard you and Shela preformed a sack monkey.
by SackMOnkeyLOVER June 22, 2011