Top definition
Expression used to reflect upon a happy moment during an otherwise horrible time in one's life, whether it be a bad job, a bad relationship, or other prolonged period of agony

a play on "those were the days"
First guy: "you still seeing Melissa?"
Second guy: "are you kidding me? that melodramatic bitch sucked 18 months from my life. good riddance."
First guy: "But you guys seemed really attached on Nantucket last summer."
Second guy: "Oh, yeah. . . that was the day."
by thedoctorman2000 August 08, 2009
Get the mug
Get a That was the day mug for your dog Günter.