An awesome song by +44 because of its tempo and with a part that sounds like bells in its acoustic version, "145."
Yeah! 155 is the best song on the album!
by Rachael Santiago August 6, 2008
The artificial top speed of many fast German cars in miles per hour (mph). In kilometres per hour (km/h), this figure is 250.
A: "What's the top speed of your M5?"
B: "155 mph with the limiter, 204 mph without."
by JaaagMan March 16, 2012
the Cialis-Levitra-Viagra stage of a man's life. from: 155 in Roman numerals is CLV.
A mean, nasty old man has reached stage 155.

Someone who is mean and grumpy all the time, no matter what age, has reached stage 155.
by quoit June 16, 2009
To be mocking of someone or something, variant of "taking the piss"
You're taking the P155
by Bruce Graham October 3, 2002
Once you look up all the rules in the urban dictionary rule book and find they have come to an end you must make a rule restating this exact rule
Hmm, I am spending way too much time looking up the rules of the internet. Time to make rule 156 that is stated by rule 155
by Baumz February 8, 2019