A gradual building of applause, usually starting with one person clapping slowly, and ending with an enthusiastic standing ovation. Generally shows approval for an underdog in a come from behind victory or after losing with pride intact.
After they hoisted their broken sled to their shoulders, the jamaican bob-sledders slowly walked towards the finish line. Much to their surprise, the dick-head East German began the slow clap. Soon, the whole crowd was riotously cheering them on.