hilf
HILF - Husband I'd Like to Fuck
1) Cougars (middle aged single Women on the prowl) call an attractive married man a HILF for casual sexual encounters without commitments or further expectations. 

2) Younger females use the term to represent a married man that would provide material possessions (a.k.a. a sugar Daddy) without long term commitments.
Hey, check out that HILF over there at the bar!