Someone who does something wrong or against the rules for a long period of time and then quits and tells on others doing the same thing.
Adam: "Dude, both me and Dave took off 10 sick days last month! This month hes decided to be good about it and now hes ratting on me for calling in sick too much!"
Josh:"Wow dude, hes just being a Canseco right now. He got what he wanted out of it and now hes the informant"
Josh:"Wow dude, hes just being a Canseco right now. He got what he wanted out of it and now hes the informant"
by Cheezedadadada January 26, 2010
 Get the Cansecomug.
Get the Cansecomug. A paid informant. No one respects them, except tools. Used as verb or noun or because of lack of self-respect and/or trueness to the game.
by the ocelot February 1, 2006
 Get the cansecomug.
Get the cansecomug. A fucking cuntbag that squeals on steroid users in MLB just to make himself, an admitted steroid user, look better
by angelos h8er September 7, 2008
 Get the Jose Cansecomug.
Get the Jose Cansecomug. -adjective
1. To disclose confidential information about former associates.
2. To publish defamation, typically about friends/family.
-verb
3. The act of double-crossing.
4. Informal - a person who abandons or betrays his or her party, esp. in a time of trouble.
1. To disclose confidential information about former associates.
2. To publish defamation, typically about friends/family.
-verb
3. The act of double-crossing.
4. Informal - a person who abandons or betrays his or her party, esp. in a time of trouble.
by Blue Calloway August 6, 2010
 Get the Canseco-Modemug.
Get the Canseco-Modemug. by Bej34 January 28, 2008
 Get the Jose Canseco vitaminsmug.
Get the Jose Canseco vitaminsmug. “Walked in on my roommate last night and his girl was blowing him as he injected...”
“Sounds like you caught him pulling a Blosé Canseco”
“Sounds like you caught him pulling a Blosé Canseco”
by Peterporker March 18, 2019
 Get the Blosé Cansecomug.
Get the Blosé Cansecomug.