"hump" in the noun sense
1. bulge, bump, hump, swelling, gibbosity, gibbousness, jut, prominence, protuberance, protrusion, extrusion, excrescence
something that bulges out or is protuberant or projects from its surroundings
"the gun in his pocket made an obvious bulge"
"the hump of a camel"
"he stood on the rocky prominence"
"the occipital protuberance was well developed"
"the bony excrescence between its horns"
"hump" in the verb sense
1. hunch, hump, hunch forward, hunch over
round one's back by bending forward and drawing the shoulders forward
2. sleep together, roll in the hay, love, make out, make love, sleep with, get laid, have sex, know, do it, be intimate, have intercourse, have it away, have it off, screw, fuck, jazz, eff, hump, lie with, bed, have a go at it, bang, get it on, bonk
have sexual intercourse with
"This student sleeps with everyone in her dorm"
"Adam knew Eve"
"Were you ever intimate with this man?"
Source: WordNet® (An amazing lexical database of English)
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