ABCD
RuBisCO

((Person in background screams out this word over all 3 panels))
Sub: RIBULOSEBISPH..
Sub: ...OSPHATECARBOXYL...
Sub: ...ASEOXYGENASE!
Dom: Oh, Sorry!
Person: man, chemists pick the worst safewords.
{{Title text: Bruce Schneier believes safewords are fundamentally insecure and recommends that you ask your partner to stop via public key signature.}}
Bruce Schneier believes safewords are fundamentally insecure and recommends that you ask your partner to stop via public key signature.