mcginness 

A stuff up, screw up or failure of epic proportions.

Alex: Matt did a triple backflip, but then tom tried it he did a classic mcginness and ate dirt!

mcginness by semihard February 11, 2014

Kei McGinniss 

a girl whos freakn amazing and is japineese and irish. she lives in hawaii and is very amazing. she has a twin sister. and yeaaaa

Kei McGinniss your amazingg

Kei McGinniss by Keionii September 14, 2009

A McGuiness

when you’re fingering someone in public and they shit on your fingers and then lick it off

I was getting with a guy in the park and he did a mcguiness!! It was so gross!

A McGuiness by pseudourban January 9, 2021

McGinnissing 

To stare at a female's anatomy in a non subtle way.

Billigan was McGinnissing the new QA girl today.

McGinnissing by Megabob22 March 18, 2016