"Yellow tigers" is yet another code name for the act of urination, it is common amongst people that communicate with a certain "slav" individual.
Oh noes! I think the yellow tigers want to race, ill be back in 2 minutes.
A brown samurai is the code name of "shit", this name is very well known amongst people that communicate with a certain slav individual.
OMFG DUDE! The brown samurai is loosing his patience. Im going to be back in 10 minutes.