Acting on an opinion or judgment hastily and without properly analyzing whether these actions would cause one’s self or others great stress or aggravation.
I was all alone in that laneway, I approached this guy by myself and really FOSTERED everything up for myself and the other guys on my team.
by Flashy33 September 22, 2020

by Anonymous July 9, 2003

A process of eliminating someone that is a political liability, by murdering them, or arranging their death somehow. Named after Vince Foster, Deputy White House Counsel during the first term of President Bill Clinton; Foster died suspiciously in office, July 20, 1993.
If Sandy Berger ever turns state's evidence in the case of his theft of documents from the Federal Archive, he may have to be Fosterized.
by Slickwillie March 5, 2007

Similar to being tom sawyered. Being suckered into doing something which you originally thought was fun, only to turn out that what you are doing is indeed not fun.
"Come on, lets go chasing tornadoes. It'll be fun."
"No the last time you fostered me into chasing tornadoes I ended up in a mexican prison with a guy giving me a dirty sanchez."
"No the last time you fostered me into chasing tornadoes I ended up in a mexican prison with a guy giving me a dirty sanchez."
by pylorns February 23, 2008

by tayintheway January 16, 2011

an absolutley chill and perfect guy with bright blue eyes and has a hipster side. wheels girls in but plays hard to get and makes all females fall madly over him not on purpose. beach bum with straggley hair and glasses. knows what girl he wants but plays with her heart.
foster iskicking incredibly dope shit
by beach hipster January 19, 2011

"Wow, I completely forgot what an asshole move that was he just made, he somehow fosterized me into thinking it was all my fault."
by CaAaAro0o0o0llL December 10, 2007
