Tom's in a good mood today - he must've had his overnight oats.
by El Mattador January 22, 2016
Tom was in a happy mood this morning, he'd had his overnight oats.
by El Mattador February 2, 2016
The discharge of semen emitted from an orifice the morning after a pre-sleep sex session.
Amy needed a towel to deal with the overnight oats from the night before.
by Bees!? May 23, 2017