small daddy
A man who is poorly endowed and tries really hard in bed to compensate, but usually fails.
Jill: Every time I go to bed with my boyfriend, I have a hard time trying not to giggle!
Jane: Oh, so he's a small daddy?
Jane: Oh, so he's a small daddy?
daddy small legs
Daddy small legs is the opposite of daddy long legs. If you're small and have a daddy kink you're daddy small legs.
"She's so small but she's my daddy small legs."