F in the chat means to pay your respects. They are mostly on streams like twitch. The term originated after a feature in the 2014 release of Call of Duty asked players to press F on their keyboard or X on their controller to “pay respects” to virtual fallen soldiers.
by SixtyNinePeopleFuckMyAss June 21, 2020
 Get the F in the Chatmug.
Get the F in the Chatmug. A conversation or group meeting involving fat doinks. Very important chats created by none other than the man the myth, the legend, Joseph Urban.
by Hackerboy69 February 3, 2018
 Get the doink chatmug.
Get the doink chatmug. London slang for talking nonsense, or speaking of something about which you have no clear understanding.
by Bonny lad November 11, 2004
 Get the Chatting Breezemug.
Get the Chatting Breezemug. by Top definer what you saying? July 6, 2018
 Get the chatting maccamug.
Get the chatting maccamug. by Jamal-the-Small April 15, 2008
 Get the Prince-of-chatmug.
Get the Prince-of-chatmug. by Paroxx April 24, 2006
 Get the chat breezemug.
Get the chat breezemug. When finishing an opponent in Hearthstone, assume that every card costs 0 mana, opponent has no taunts or secrets, all spells and abilities can hit face, all minions have charge and immune to silence/freeze, and that arithmetically 2+2=9.
Retard #1: "OMFG KRIPP SO BAD MISSED LETHAL"
Retard #2: "wtf why hit senjin and not wrath+starfall face?"
Retard #3: "WOW LETHAL MISSED"
Guy #1: "he only had 3 mana... chat lethal"
Retard #4: "have you noticed children's pee smells like turnips?"
Retard #2: "wtf why hit senjin and not wrath+starfall face?"
Retard #3: "WOW LETHAL MISSED"
Guy #1: "he only had 3 mana... chat lethal"
Retard #4: "have you noticed children's pee smells like turnips?"
by Ryaii March 7, 2014
 Get the Chat Lethalmug.
Get the Chat Lethalmug.