Annoying yet harmless, usually playful acts
Something that does not have or make sense
I don't do much aimless InterWeb tomfoolery anymore.
Manfred Egan If you put tomfoolery into a computer, nothing comes out of it but tomfoolery.
I regret I permitted myself to be a party to such tomfoolery.
Not only is cricket the untapped male market, it is the last bastion of British drunken sporting tomfoolery.
Link April Fools Day - Jokes - Pranks... ever woken up an hour early because your... and general tomfoolery.