a finch 

to do a finch is to blow up on the last hole of golf

i was going to win that game of golf till i did a finch

a finch by da boi gibsy June 22, 2012

do a finch 

when you have to use the public toilets and you put toilet paper all round the seat before sitting on it, just like finch from american pie

person 1: aww man i really need a shit but i dont want to use the public toilets

person 2: no bother just do a finch

do a finch by biffybizkit July 20, 2009

filch a cookie 

to get in a gurls pants or to get her to give it up

person one: did u get any last night?...
Person two: hell yea bitch...i filched her cookie!

filch a cookie by DJWeezy July 20, 2003