ES tontear
volume_up
[tonteando|tonteado] {verb}

tontear
volume_up
to mess [messed|messed] {v.i.} [coll.] (waste time)
tontear (also: hacer travesuras)
volume_up
to mess around {vb} (misbehave)
tontear (also: payasear)
tontear (also: mamar gallo, hacer el tonto)
volume_up
to muck about {vb} (play the fool)

Synonyms (Spanish) for "tontear":

tontear