Cool of his canister

• cul: (French) arse → HCE on the toilet

• canister: canister-shot or case-shot, an artillery projectile containing encased shot for use at close quarters

• The Canister: a house at the intersection of Main St and Napoleon St in Jamestown, on the island of St Helena, where Napoleon was imprisoned after Waterloo
  • A Finnegans Wake Gazetteer

• canister: (English Dialect) head → cool-headed

• stool: a piece of faeces → HCE on the toilet