FURVERT!

admiring alien anthro armor big_bulge black_mesa blep bottomwear bulge clothing conditional_dnp czer endowed erection erection_under_clothing genitals half-erect half-life hand_behind_head hi_res huge_bulge hyper hyper_bulge magazine_(gun)male markings monster panther_eye penis plating pose pulling_pants_down samagthrav2 scientist shorts silhouette slim solo suggestive swelling tenting tight_bottomwear tight_clothing tight_shorts tight_underwear tongue tongue_out topwear underwear valve valve_corporation vest waistband waistband_pull