Having anal sex with a girl placing your hands on her hips and slowly raising them to head height in the shape of antlers impersonating a moose with out her seeing what you are doing.
by fraggletron January 07, 2012
by Matt Dawson July 18, 2006
The act of inserting both thumbs in the anus with fingers stretched out giving the ass "Moose antlers"
by The Clock Worker November 06, 2015