Catching an L means catching a loss. In this sense, you catch an L if you say something stupid or, if you try to sound intelligent but are proved wrong.
1. Sarah says, "Has anyone ever noticed that "Santa" has the same letters as Satan? Isn't that weird? What are your thoughts?"
Cathy responds, "And Santa is also the word for Saint in many languages. And since the figure of Santa Claus is based off SAINT Nicholas, its not surprising. So nice try, but you failed."

In that case, Sarah caught an L because she tried to prove an invalid point.
by Nicole.x3 February 2, 2009
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Definitely heading out tonight to get me some LL.

Cant wait for some L&L tonight
by Magic Madge June 21, 2011
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On msn, typing (L) will display a heart. (L) means a heart, or love, etc.
Hey Joe, had fun at the movies (L)
by kelsiekdfjdl November 12, 2006
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In TheGeekEntry’s chat TheSnakeyezEntry accidentally typed L# in chat. From that day forward L# has become a staple of twitch chat. L# can be used in literally anyway because L# is all and describes all.
by Giaco27 July 20, 2021
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The offensive non-verbal/ IM middle finger gesture 'Fuck you/Fuck off'
.l.
F.U.R.B. (Fuck You Right Back).
by mohair August 6, 2007
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L is a letter.
" I am stupid so I searched L on urban dictionary"
by L0ne_ February 28, 2017
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To simply lose. When things Do not go as planned or when one has no choice but to decline an invitation for an appealing event.
John: bro are you still coming out tonight. Smith: Naw wifey coming over, im gonna have to take a L tonight.
by Detroit playa January 1, 2013
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