Grotesque, incongruous.
Playful, funny, absurd.
A pose, often exaggerated, in anticipation of an action; for example, a brief squat before jumping
A caricature.
A grotesque performer or clown, buffoon.
A ludicrous gesture or act; ridiculous behaviour; caper.
To perform (an action) as an antic; to mimic ridiculously.
To perform antics, to caper.
Extremely reckless.
Likely to commit, or to attempt to commit, suicide.
Highly likely to certain to result in the deaths of the participants; dangerous or reckless to such a degree as to be tantamount to suicide for those taking part.
Pertaining to suicide.
Someone suicidal; someone likely to kill themselves.