The feeling you get almost immediately after you have responded to an email or text, that caused you to become irate.
I replied to my manager telling her she's being insubordinate. Damn, I think I'm having sender's remorse, hope I don't get fired...
by kikcrs February 24, 2010
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An absaloute retard. Plays so much league of legends.
Sucks Dick.
Thinks he is cool.
OH, that kid is a Sender Dyce!
by monkeyglansauce June 30, 2014
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A Shotgun/wootang that goes around an entire group of people smoking a blunt/cigarillo. While smoking either a blunt or cigarillo (filled with reefer) someone proceeds to give the person next to them a shotgun/wootang. Then the person who just recieved a shotgun/wootang holds his/her hit and gives the next person a shotgun/wootang. Keep sending the shotgun around until the last person gives the originator (person to give first shotgun/wootang) a monstrous shotgun/wootang. This works best with 3-4 people. It is important to remember to hold the hit you recieve to give the next person a shotgun/wootang with.
Man that 8 person return to sender was crazy.

That guy just died after the perfect return to sender.
by WOLFPACK4LIFE February 17, 2010
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S.P.
A person who sends stiffy's to their best friends boyrfriend whilst on holiday in the Ardeche.
S.P. sending a massive stiffy to Dr Beer.
Phillay says Sarah your such a stiffy sender.
by G Jackson June 25, 2009
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When having anal sex with a partner or gf, let her take a shit on your dick, wait till its done, then shove your dick back in her mouth, returning the forbidden chocolate back to the sender
Ronald: Hey, I just did a Return to Sender!

Travis: You mean that sex move with the poop!?

Ronald: No... the Minecraft achievement
by HumanusAustralis April 29, 2020
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when you wake up, knowing the inevitability on the day. decide to grab whatever alcohol you can find, and just send it.
I've never seen Philip when he isn't mid-sender bender.
by Everydayisendit September 12, 2017
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Somebody who sends nudes with the intention of other people jacking off to them.
Reagan is a nude sender.
by mcnuggetdestroyer January 03, 2018
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