A friend, significant other, or acquaintance who won't stop texting you.
Adam: Dude your phone has gone off like twelve times in the last ten minutes.

Brian: Yeah that's the new girlfriend. She's a real battery drainer.
by RogueEconomist October 15, 2015
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A story that makes your head explode because it could have been over in about five minutes if one or more of the character(s) didn't have an IQ below room temperature.

It can also be caused when a character who is presented as being quite smart does something uncharacteristically stupid, and everything goes downhill from there.
Despite their legendary status, Shakespeare's plays are notorious for being massive brain drainers.

One example is Romeo and Juliet, which could have been over very quickly with no deaths if the two families just communicated with each other.

Another example is Julius Caesar, which would have ended after the death of Caesar if Brutus didn't decide to save Mark Antony because "he can't think for himself," and they didn't want people thinking they were terrorists. Long story short, he eventually found out that was a bad move when Antony suddenly dropped the façade and revealed that he is much more intelligent and independent than he seems.
by Someone who kinda exists August 16, 2021
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The act of filling the rectum of your loved one with greenchile stew and then having them excrete it in to your mouth.
"Esmerelda gave me one hell of a duke city drainer last night!"
by dirtier sanchez June 8, 2007
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Like tantric methods, the recipient experiences a lengthy "double ejaculation" from focused working of the scrotum, testicles, taint and erogenous areas in tandem with varying edging techniques. Usually requiring more than an hour "session" the scrotum is restrained and pulled taught and the testicles aggressively sucked while the recipient goons to porn. Once in full goon, the recipient at the whim of the other partner/partners will suddenly and uncontrollably orgasm upon release of the restraint while the testicles are pushed firmly against the pelvis and held in place. It is not uncommon for the recipient to experience double the number of usual contractions, sometimes more. This techinque is know to reduce or eliminate the usual refractory period post orgasm resulting in an ability to experience multiple orgasms thereafter. According to tradition, some nomadic Tibetians incorporated this as part of a cleansing ritual when combined with meditation and psych inducing beverages. Long a closely held secret among a select few high priced underground BDSM practitioners, the Tibetian Ball Drainer has reportedly been the most expensive item on the menu of services commanding over $2000/hr. Experienced practitioners state they can keep client in a suspended state of ejaculation whereby a firm slapping of the testicles while under restraint results in an involuntary release without ejaculation spasms. The resulting heightened sense of arousal is reputed to last for up to 3 days.
Got my first Tibetian Ball Drainer last night.
by BigJakeCarlson November 24, 2016
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An extremely popular song, movie, book, t.v. show, band etc. that is really bad (not to be confused with a cult classic)
High School Musical is cute as a Disney Channel Original Movie, but the fact that it has become so popular not just among small children but High Schoolers and adults to the point of the rights being for rent as a live show has made it a <i>High School Mind Drainer</i>
by eebnupasplee November 21, 2006
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Drainers of Adelaide are Adelaide's best shitpost account. Above all others
Hey, you seen that new drainers of adelaide post, it was funny as fuck
by Thicc Daddy Thanks January 28, 2022
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