A reference to something supposed to be known, but not explicitly mentioned; a covert indication; indirect reference; a hint.
by brian July 26, 2004
refers to the all-encompassing capacity of a UFC fighter; greater than elusive; the capacity to use everything and to avoid everything all at the same time
by gigi la boomboom October 26, 2009
When something you see happening in everyday life is exactly like something you read in a book, or saw in a movie.
When I walked in on my son having sex with a pie, it was like an optical allusion to that movie I saw!
by ae34 March 25, 2008
An indirect although not accidental reference to a Greek or Roman legend. This form of writing is often used in poetry. It is used repeatedly in Romeo and Juliet as well.
by Sheepchick May 13, 2006
When titties look bigger than they really are. Most often due to the manner in which the titties are dressed/displayed.
Dude, i was so bummed when she took her shirt off, total optical allusion titties, they were tiny.
"yeah, there not that big, there optical allusion titties" - Mello
by T-sett September 22, 2009
A game developed on the platform Roblox by the filipenis developer Klevinoroto, a slow paced randomizer game in which your only goals are to kill as many as people as you can and gaining as much "ALerri" as possible. most of the weapons and arsenals you spawn with in the game are always a reference to something else, that could be a game, anime or even novels.
by cock sucking prick May 18, 2023