When you are irrationally emotional and don't know whether to laugh or cry. Someone says something funny and you proceed to do both.
Female on her period.
Man walks in, "My penis has a heartbeat"

Cry-laughing ensues.
by LeLait January 1, 2013
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When a person laughs way too long at another person, thus making the situation horrendously awkward for everyone.
That dumb broad in the corner keeps laugh raping my friend every time he tells a dead baby joke.
by thatpersonyoudontknow January 29, 2010
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To laugh at an array of random things; to laugh a whole lot.
Dude, my bro and I just saw Space Balls. We were laughing it up all the way home.
by Make love, not war March 24, 2008
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A laugh produced after stating a joke in order to drown out everyone's silence when said joke was lame. It's often used as a preemptive strategy to appear funnier than one actually is.
Alen proceeded to tell us a pun that made no sense and followed it up with the Alen Laugh. No one else was laughing.
by alensbestfriend August 14, 2015
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Another name for the Jack of Diamonds (also see: suicide king). In some variations of poker and black jack, players must chuckle everytime a Jack of Diamonds is played or drawn.
We know who has 'Laughing Boy' because he laughed to himself when he picked up his cards.
by slugkid10 February 7, 2011
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When you laugh at someones joke just because you feel sorry for them.
Man, that comedian was only getting sympathy laughs.
by Orgasmatron666 October 13, 2008
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Much like a golf clap in idea, but used differently: To offer a short, polite chuckle to someone as an acknowledgement that they said something THEY think is amusing, but it really isn't. To help someone not feel uncomfortable or embarrassed by politely laughing at their stupid joke.
"OMG, that guy I'm dating said that stupid duck-under-one-arm joke lastnight in front my friends! I had to give him the golf laugh just so he didn't look like a complete idiot!"
by Headmeister April 24, 2007
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