One Direction took the chance to pull pranks on their fellow songwriters while recording their second album, by penning a string of lewd lyrics.
The singers had more creative control over the sophomore record, Take Me Home, than on their debut, and helped write several of the disc's tracks alongside writers including Ed Sheeran and pop rockers McFly.
But they proved their maturity levels have not quite caught up with their responsibilities - they messed around during writing sessions to come up with rude rhymes.
Liam Payne tells Britain's Daily Star, "We were more involved this time round as we were so nervous when we made the first album.
"Usually we write some rude lyrics - there's a lot of things that rhyme with poo. You can come out with something which someone else in the band might knock down, but it leads to something else."