1 definition by tatertot8180
In a game of Risk, to sneak a single army unit into an underprotected corner of an opponent's continent, preventing him/her from collecting extra armies on their next turn.
Player A has all of Asia and is hoping to collect 7 additional armies on his next turn. But then Player B captures Siam, effectively cockroaching Player A.
by tatertot8180 May 15, 2008