Here are the possible solutions for tossed rider off horse clue
Answer
Clue
Relevancy
bucked
Clue
Tossed (rider off horse)
Definition
BUCK, to leap forward and upward suddenly
mred
Clue
"A horse is a horse" horse
aced
Clue
Tossed off
Tossed off, as an exam
Definition
ACE, to serve an unreturnable shot e.g. in tennis
arose
Clue
Tossed off the covers and stood
Tossed off the covers
Definition
ARISE, to come up
myhumps
Clue
2005 Black Eyed Peas hit that Pitchfork called "so monumentally vacuous, slapped together and tossed-off that it truly tests the definition of 'song.'"