Whenever an Irish person commits an act of shenanigans, or is on a large amount cocaine.

Sometimes goes hand in hand with getting chomanized
Wow, that irish guy just ripped through that office like he was high on speed, total sheehanigans
by booty freak master January 6, 2012
Get the Sheehanigans mug.
A triple backflip on a motorcycle - named after FMX Nitro Circus rider Josh Sheehan, who landed the first ever moto triple on a giant "fuck-off" ramp at Pastranaland on 28 April 2015.
Josh Sheehan just stomped The Sheehanigans! God that's arousing!
by Absolute Insanity April 29, 2015
Get the The Sheehanigans mug.