prank
n 1: acting like a clown or buffoon [syn: {buffoonery}, {clowning},
{frivolity}, {harlequinade}]
2: a ludicrous or grotesque act done for fun and amusement
[syn: {antic}, {joke}, {trick}, {caper}]
v 1: dress or decorate showily or gaudily; "Roses were pranking
the lawn"
2: dress up showily; "He pranked himself out in his best
clothes"