What is "wet the bed"

vb. 1 (context idiomatic English) To urinate in one's bed (during sleep). 2 (context euphemistic English) To go bad, to fail (said of machines; a euphemism for shit the bed).

"Wet the Bed" is a song by American R&B recording artist Chris Brown featuring American rapper Ludacris, from his fourth studio album F.A.M.E. (2011). It was written by Brown, Derrick "Bigg D" Baker, Steven Kubie, Kevin McCall, Amber Streeter, Andre Merritt, Joseph Bereal and Christopher Bridges, and produced by Bigg D. Lyrically, the song sees Brown and Ludacris exploring ways to leave a woman satisfied. "Wet the Bed" received mixed reviews from most music critics, who were ambivalent towards its lyrics. It was released as a single and has appeared on the US Hot R&B/Hip-Hop Songs chart at number twenty-five. The song has been performed live at the album's listening party, as well as on Brown's F.A.M.E. Tour.