The fellow's lechery with these half-caste females was really quite insufferable! He was worried about that, in fact. Quite worried. The chap was as undiscriminating as a bitchless dog in heat. No sense of sexual selection whatsoever.
Source: wiktionary
“Is he bitchless?” […] “He isn't gay, is he?”
Source: wiktionary
Holloway explained the decision; "those bitchless sad-sacks need to learn that 4.0 is not a replacement for character, or social skills, or a personality, or...hopefully the new rizzology course will teach them how to crush major prostate/puss."
Source: wiktionary