v 1. to go to bed, as in to sleep "until the cows come home," (i.e. for a long time.) ("Goodnight ya'll, I'm going moo-moo.") Submitted by Elizabeth W. Bromberg, Birmingham, AL, 01-07-1998. go to bed
GO MOO-MOO
Meaning of GO MOO-MOO in English
Slang English vocab. Английский сленговый словарь. 2012