by Mdogs April 14, 2014

by Honeywine December 10, 2016

Mad, or stupid.
Welsh slang. The phrase originally comes from the action of having tapped a barrel of beer, draining its contents. The comparison made, then, is between a half-empty barrel of beer and a half-empty brain.
Welsh slang. The phrase originally comes from the action of having tapped a barrel of beer, draining its contents. The comparison made, then, is between a half-empty barrel of beer and a half-empty brain.
by Gareth Griffiths May 24, 2023

by Angel234IsTheDarkSeraphim March 30, 2025

Derived from modern checkout readers, refers to whether one engaged in vaginal/anal intercourse (insert), fingering or manual manipulation (tap), or oral sex (swipe).
by DrGnome November 9, 2019
