To commemorate a past event, you kill and eat an animal. It's a ritual sacrifice, with pie.
Anya ,'Sleeper'
Spike's Bitches 10: Haven't Had Quite Enough Jealous Vampire Crap
[NAFDA] Spike-centric discussion. Lusty, lewd (only occasionally crude), risque (and frisque), bawdy (Oh, lawdy!), flirty ('cuz we're purty), raunchy talk inside. Caveat lector.