The line comes from Uptown Funk, the 2014 Mark Ronson song featuring Bruno Mars, where too hot and hot damn are repeated hooks. Edited Obama singing versions spread online in 2015, stitching words from Barack Obama speeches into the melody to create a convincing performance. The hot damn excerpt became a standalone reaction clip because it is short, recognisable and self contained. It continues to circulate in meme edits and short videos, where the familiar funk phrase signals confidence, style and comic surprise in a single beat.