Christmas squirts 

When your diarrhea turns from green to red.

A common symptom of the Billy May's flu is the Christmas squirts.

Christmas squirts by banjo player #17 October 10, 2009

Christmas Squits 

The runs you get on xmas morning after to much to drink on xmas eve.

Mum: You were in the toilet a long time this morning.

Son: Yep, I drank miles too much last night and had the old Christmas Squits!!!

Christmas Squits by JimmyF69 December 24, 2008